LEMAI GNT015 Acoustics TWS Pure Tone Headphones User Guide

: June 1, 2024
: LEMAI

Table of Contents

LEMAI GNT015 Acoustics TWS Pure Tone Headphones
Product Information
Product Usage Instructions
BT Pairing with Headphones

LEMAI GNT015 Acoustics TWS Pure Tone Headphones

Product Information

Technical Specifications

GDNR Digital Noise Reduction : Four-microphone rectilinear beamforming technology
GDSE EXTREME Digital Sound Enhancement Technology : High-performance 13mm driver
HANC Intelligent Noise Cancelling Technology: HearID Active Noise Cancelling technology
Nature Sound : Innovative pass-through mode for natural sound reproduction

Product Usage Instructions

Charging the Headset
Put the headset into the charging case, close the cover, and the headset will charge automatically. The green light will blink twice and then turn off.
Charging the Charging Case
Connect the included charging cable to the power supply for charging. The red light will flash once every second during charging and stay green when fully charged.
Low Battery Warning
If the charging case is opened or the headphones are placed inside, a fast double red light flash indicates low battery. Four red light blinks signal low battery in the charging case.

BT Pairing with Headphones

Pairing: With the charging case open, enable Bluetooth on your device, search for and connect manually to EARTOUS Buds Pro for pairing.
Auto Reconnect: Headset will automatically reconnect to the last paired Bluetooth device when the charging case is opened.
Connection Interruption
Restore Factory Settings: Remove both headsets simultaneously from the charging box, long press both left and right ear contacts for 13 seconds to restore factory settings.

FAQ

How do I know if the headset is fully charged?
The green light on the charging case will stay on when the headset is fully charged.
Can I use one headset individually?
If you take out either the left or right headset individually, it won’t restore factory settings. Both headsets need to be removed simultaneously for this.
How do I activate the pass-through mode for natural sound reproduction?
The pass-through mode can be activated through the AI digital engine processing without removing the headphones, ensuring outside sounds are accurately heard.

Product Legend

Headphones (Left/Right)

Charging Case

$LEMAI-GNT015-Acoustics-TWS-Pure-Tone-Headphones- $2$$

Package Contents

Headphones*1 (L/R)
Charging Case*1
Earcap1(Small2/Large*2)
Charging Cable*1
User Manual*1

Technical Specifications

Product Name : Eartous
Product Model : EARTOUS Buds pro
Bluetooth Version : 5.3
Charging Input (Charging Case): 5V=300mA
Bluetooth Effective Range: ≤10m
Frequency Response Range: 20Hz~20kHz
Speaker Impedance: 20Ω±15%
Speaker Unit:: 13mm
Headphones Battery: 40mAh
Charging Case Battery: 360mAh

Package Contents

GDNR Digital Noise Reduction
Based on GDNR (Gongniu Digital Noise Reduction)four-microphone rectilinear beamforming technology, it accurately picks up the human voice and filters out the interference of ambient noise, so that you can have a clear conversation even when you are in the city.
GDSE EXTREME Digital Sound Enhancement Technology
GDSE (Gongniu Digital Sound Engine) EXTREME digital sound Enhancement engine, through the Al algorithm to make up for the missing details of the sound, with high-performance 13mm driver, to get a rich and full listening experience.
HANC Intelligent Noise Cancelling Technology
Through Lemax acoustics self-developed HearlD Active Noise Cancelling technology, it will intelligently detect the use of this hearing sensitivity and music category preferences, and according to the hearing characteristics of the establishment of the Exclusive hearing pattern, so that we can enjoy a personal and unique listening experience when listening to music.
Nature Sound
Innovative pass-through mode, through the Al digital engine processing without removing the headphones, true reproduction of natural sound, to ensure that the outside sound can clearly and ac curtly into the ear, will not mis s the de tails of the sound .the sound

Usage

First time use
Put the headset into the charging case, close the cover and then open the cover headset power on and automatically enter the pairing mode, headset outside the charging case Bluetooth for more than 5 minutes without connection, the headset automatically shut down. (Suggested for first time use; first put the headset and charging case fully charged and then carry out .）
Power on
The headset will turn on automatically when the charging case is opened, and will enter pairing mode automatically if no device is connected.
Turn off the headset
Put the headset into the charging case, close the cover and the headset will turn off automatically
Charging the headset
Put the headset into the charging case, after closing the cover, the headset will be charged automatically, the green light will blink for 2 times and then go out.
Charging the charging case
Use the included charging cable to connect to the power supply for charging. When charging, the red light will flash once every 1second, and when fully charged, the green light will always be on.
Low battery warning
- When the charging case is opened or the headphones are put into the charging case, the red light will flash 2 times fast, which is a low battery warning and needs to be recharged.
- When the red light of the charging case is blinking 4 times, it means the charging case is low battery and needs to be recharged

BT Paring with Headphones

Pairing
When using the headset for the first time, with the charging case open, turn on the Bluetooth on your device, search for and manually connect to the “EARTOUS Buds Pro” to complete the pairing.
Auto Reconnect
When the charging case is opened, the headset will automatically connect back to the last paired Bluetooth device.
Connection Interruption: When the Bluetooth device is out of the range of the headset, the headset automatically enters the wait for connection state, while other Bluetooth devices can search for the connection. Within 5 minutes, it will reconnect automatically. Return within 5 minutes or turn on the Bluetooth at the device side to connect back automatically; Turn on Bluetooth or return within 5 minutes ~ 10 minutes, you need to connect manually; After 10 minutes without connecting to any device, it will automatically shut down.
Restore factory settings
Both headsets are removed from the charging box at the same time, any long press contact with the left and right ear for 13 seconds, both headsets enter the factory settings, the headset beeps, the old connection records are cleared.
At this time the headset enters the pairing mode (if you take out the left headset or the right headset individually and do the above operation, the factory settings cannot be restored). Note: Due to the connection characteristics of Bluetooth signal, if there is serious interference to the Bluetooth signal in your environment, your phone may be slow to search for Bluetooth devices, please get closer to the phone and search again, or change the environment with less signal interference and try again. At this time the headset enters the pairing mode (if you take out the left headset or the right headset individually and do the above operation, the factory settings cannot be restored).
Note: Due to the connection characteristics of Bluetooth signal, if mere is serous Intolerance to me bluebook signal in your environment, your on one may de snow to search tor bluebook devices, please get closer to the phone and search again, or change the environment with less signal interference and try again.

Operation Control

Music Playback Mode
Play/Pause; click on any side of the headphone touch area
Next song: double-click any side of the headset touch area
Incoming call mode An swer: click any side of the headset touch area Hang up/reject: double-click any side of the headset touch area
Note: Dialing and answering WeChat calls under Bluetooth status is mainly headset.
Noise Reduction Mode Mode switching: long press any side of the headset touch area for 2 seconds to switch Normal Mode => Noise Canceling Mode => Transparent Mode headset.

Warranty Card

Service Types

Product Information $LEMAI-GNT015-Acoustics-TWS-Pure-Tone-Headphones- $4$$

Troubleshooting Guide

Headset can not hear the sound

Confirm that the headset is in working condition.
Confirm whether the volume level of the headset is appropriate.
Confirm that the headset is normally connected to the cell phone.
Confirm that the headset is in normal working range.

Headset call effect is not good

Confirm whether the smart device is in the area with strong signal.
The effective use distance of the headset is 10 meters, please make sure that the headset is within the effective use distance and that there is no obstacle between the headset and the smart device. Please make sure that the headset is within the effective using distance and there is no obstacle between the headset and the smart device.

Your cell phone cannot search the Bluetooth name of the headset “EARTOUS Buds Pro”.

Make sure the smart device is in a strong signal area.
The effective distance of the headset is 10 meters, please make sure that the headset is within the effective distance and there is no obstacle between the headset and the smart device. Please make sure that the headset is within the effective distance of use and that there are no obstacles between the headset and the smart device
Whether the headset is connected with other cell phones (previously connected), if it has been connected then you need to If you don’t know whether the headset is connected to other cell phones, you need to restore the factory settings
Confirm whether the headset is powered on, if it is not powered on then put the headset into the box again and take out the headset again, and then search for Bluetooth. lf not, put the headset into the box again and take out the headset again, then search the Bluetooth name again.

Headset into the charging box can not charge

Check whether the charging box is charged, after the headset is put into the charging box, there is no indicator light of the charging box means that the charging box is not charged
Check whether the headset and the charging box contact is abnormal, put the headset into the charging box, the charging box green indicator light is on for 2 seconds and then off that contact is good, the charging box green indicator does not light up or the red light is always on that is abnormal, such as contact abnormality is unable to charge.
Make sure to check the charging thimble of the headset and charging case are dirty or have foreign objects, if there is dirt or foreign objects may not be able to charge, need to clean off the dirt and foreign objects.

Headphones into the charging case can not charge or headphones can not be disconnected

Make sure the charging case is charged. (Confirmation method is the same as above)
Make sure that the headset is in good contact after being put into the charging case, and enter the charging state. (Confirmation method is the same as above)

Compatibility

Compatible with IOS10 above and Android 6 above Bluetooth devices;
Please match with your cell phone before purchasing, compatibility with the actual matching results shall prevail, when adapting to the difficulties or questions, please consult customer service.

Precautions

Do not drop, crush or puncture the product. Avoid subjecting the product to large external pressures that could result in short circuits and overheating inside the product.
Do not disassemble or modify the product, insert foreign objects, or dimmer it in water or other liquids, as this may cause the product to short-circuit, overheat, catch fire, or pose a risk of electric shock.
The optimal operating temperature range of the product is from -10°C to 40°C *Do not expose the product to any heat or cold.
Do not expose the product to high temperatures or around heat generating products, such as sunlight, heaters, micro-wave ovens, ovens or water heaters.
Magnetic fields may be harmful to people wearing pacemakers and defibrillators. It is recommended that patients with pacemakers and implantable defibrillators keep at least 3cm distance between this headset and implantable devices. Avoid wearing the headset at excessive volume or for long periods of time to avoid hearing damage.
Do not wear the headset in situations that require special attention (e.g., while driving).
Keep the product dry, do not put it in a humid place, so as not to affect the internal short circuit of the product.
When you use it for the first time, it is recommended to put the headset into the charging case to charge it first and use it after it is full.
When the cell phone can not connect to the Bluetooth, to reset the operation and then search.
After the product triggers me low temperature protection, you need to put the headset into the charging case to reactivate it and then use it.

After-Sales Service Guarantee

Thank you for purchasing Lomax acoustic products, when you use the product in the process of any non-human When you use the product, any non-human damage performance failure, enjoy the Lomax acoustics repair, replacement, return (hereinafter referred to as “three packages”) service commitment. In order to protect your legitimate rights and interests, please purchase Lomax acoustics products, properly keep the three packages, invoices or other proof of purchase, the product’s three packages are valid from the time you receive the product (hereinafter referred to as “three packages”). The validity period of the product is calculated from the day you receive the product (hereinafter referred to as: receipt).

Three guarantees service content

Within 7 days from the date of receipt of goods, to ensure that the goods received in good condition, product packaging and accessories, etc., complete, non-human damage to the performance of the failure, according to the invoice price of a one-time full refund. Or replace the product with the same model and specifications, or free repair.
From the 8th to 15 days from the date of receipt of the product, the product is not man-made damage to the performance of the failure, can be replaced with the same model and specifications of the product, or free of charge repair.
Free repair within 6 months from the date of receipt of goods, in the free repair period, after two maintenance Within 6 months from the date of receipt, free repair, within the free repair period, after two maintenance throws can not be normal use of the product, confirmed by the Lomax acoustic testing, you can with a valid maintenance record, can be replaced free of charge with the same model and specifications of the product. Replacement of the product is the responsibility of the seller.

$LEMAI-GNT015-Acoustics-TWS-Pure-Tone-Headphones- $5$$

How to get the three packs service In order to protect your legitimate rights and interests, please go to Lemax Acoustics seller to enjoy the three packages service. When you make a request for three packages service, you need to provide:

The purchased product;
The original invoice or other proof of purchase obtained when purchasing the product;
Valid three packs certificate.

Does not belong to the ” three bags” service scope of the situation

The product exceeds the three packages of validity;
No three packages of evidence, a valid invoice or other valid sales evidence;
Three packages certificate model and product model does not match or be altered;
not in accordance with the “instructions for use” requirements of the use, maintenance, maintenance or the use of non-original parts caused by the damage;
non-authorized maintenance, alteration, and misuse, collision, fall, extrusion, liquid, corrosion, flood, fire, lightning and other force majeure caused damage;
due to normal wear and tear or normal aging of the product caused by defects, torn, altered or can not recognize the product label, seal and serial number (SN).
not sold in mainland China, Lomax acoustic products.

Paid service warranty

If the product does not meet the conditions of the “three guarantees” but requires repair, Lomax Acoustics will calculate the appropriate repair costs according to the cost of parts and labor. lf the product does not meet the conditions of the “Three Guarantees” but requires repair, Roc-Master Acoustics will calculate the appropriate repair cost according to the cost of parts and labor, and make a quotation to you, and with your consent, Roc-Master Acoustics will provide you with product repair services.

FCC Caution:
This device complies with part 15 of the FCC Rules.
Operation is subject to the following two conditions:

This device may not cause harmful interference, and
This device must accept any interference received, including interference that may cause undesired operation.

Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
NOTE : This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation.

If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.

The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.