NUU U25 Buds A True Wireless In Ear Headphone User Guide
- June 3, 2024
- NUU
Table of Contents
- PRODUCT OVER VIEW
- Package Content
- Power on
- Power off
- Charging
- How to Pairing
- LED Indicator Guide
- Multi-function Button IMFB) Guide
- How to Keep Ear buds
- Technical Specifications
- Reset to Factory Settings
- Safety Precautions
- Warranty information
- Warning
- Certification
- Customer Support
- Read User Manual Online (PDF format)
- Download This Manual (PDF format)
NUU U25 Buds A True Wireless In Ear Headphone
PRODUCT OVER VIEW
Product Diagram
- Multi-function button (MFB)
- LED indicator
- Charging contacts
- Ear lips
- Charging case battery indicator
- Charge case Type-C charging port
Package Content
- NUU buds A with charging case ………………………………. x1
- Ear tip pairs (M size are placed on the ear buds) ……… x3
- Charging coble …………………………………………………………. x1
- User manual ……………………………………………………………….x1
Power on
- Open the charging case, the ear buds w ill power on automatically.
- ln the off state, press and hold the touch area of ear buds for around 6 seconds, the ear buds will turn on, and you w ill hear the prompt “power on”.
Power off
- Put the ear buds into the charging case, and close the case cover, the ear buds will shut down automatically.
- Turn off the Bluetooth of your mobile phone or stop playing music, press and hold the touch area of ear buds for about 10 seconds, then it will power off.
Charging
- Fully charge the earbuds and the charging case before first time use.
- Use the included Type-C charging cable.
How to Pairing
First pairing: Open the charging case and pick up NUU Buds, it will automatically enter the pairing mode (One Bud’s blue LED light flashes, and the other bud is off). Turn on the Bluetooth of your device and search for pairing name “NUU Buds A” to pair, then successfully paired (Indicator turns off).
LED Indicator Guide
| Status | Description |
|---|---|
| Ear Buds | Power on |
| Power off | Blue LED Flash once then turn off |
| Pairing | Right ear buds Blue LED blinking |
While left ear buds LED is off
Connected| Both ear buds LED lights is off
Case| Battery indicator| Battery low: Red LED Blinking during charging, and
always an when fully charged.
Battery medium/ high: White LED blinking during charging, and always on when
fully charged.
Multi-function Button IMFB) Guide
| ANC On/Off, Transparency mode | Tap and hold L/R ear bud for 2 sec. |
|---|---|
| Volume up | Tap R ear bud once. |
| Volume down | Tap L ear bud once |
| Play/ Pause | Double top either L/R ear buds |
| Activate/ Stop voice assistant | Triple top l ear buds |
| Change Game/Music mode | Triple tap R ear buds |
| Answer/ End call | Double tap either/R ear buds |
| Reject a call | Touch and hold either L/ R ear bud for 2 Sec. |
How to Keep Ear buds
The headphones should be stored in the charging case and to prevent the Bluetooth headphones from being stored at extreme temperatures (above 70ºC or below -10º, otherwise the battery life will be shortened.
Technical Specifications
| Items | Description | Specifications |
|---|---|---|
| 1 | Audio frequency range |
20 Hz· 20KHz
2| Speaker driver| 010mm
3| Battery Capacity (Cose)| 400 mAh
4| Battery Capacity (Ear buds)| 6 2mAh
5| Ear buds size| 33 .8x25x 19 .9 mm
6| Charging Cose Size| 61.9×49.6×26 .6 mm
7| Bluetooth Version| V5.2
8| Bluetooth Profile| HFP/HSP/ AVRCP/ A2DP
9| Music polytime| Ear Buds: Up to 8 Hours ( ANC off) Up to 6.5 Hours AN C on)
Case: Up to 22 Hours ( ANC off)
- Music playtime are measured al 60% volume with a number of music tracks.
10| Charging time| Ear buds: 45 Minutes Case: 1.5 hours
11| Transmission Frequency| 2 .4GHz – 2 .48GHz
Reset to Factory Settings
Toke out ear buds from charging case, ensure earphone is not connect, or not playing music, long press around 10 seconds to power off the device, then long press both L and R ear buds again to power on, keep pressing the ear buds until it power off again, the device ore reset and clear pairing information.
Safety Precautions
-
Keep your earphone and accessories out of reach of children.
Children should use the earphone under adult’s supervision. -
Do not expose the ear buds to water for prolonged period.
Do not use it when swimming, diving, or in the shower. -
Use your earphone in a moisture or dusty environment or near a strong magnetic field, may result on internal circuit failure.
-
Do not use the device during thunderstorms. Thunderstorms can cause the device to malfunction and increase the risk of electric shock.
-
This product contains lithium battery. Disassembly, collision, crushing or exposure to fire is prohibited. Do not use swollen batteries. Do not place this product in high-temperature environment. Pls dispose the battery accordance with local regulations and do not treat it as household waste.
Warranty information
Your “NUU Buds A” is warranted ta the original owner for l year from the date of purchase against defects in material and workshop under normal use and service. NUU mobile is not responsible for the occident use of this product and its liability will not exceed the purchase price of the product. If you have any problem while using the product, pls do not hesitate to contact our customer support at [email protected]. Details of warranty term, pls download from our Web: www.nuumobile.com
Warning
Risk due to extremely high volume
Laud music can lead ta hearing damage, Avoid listening ta music at on
extremely high volume when using this device – especially over long period of
time.
WEEE
Electrical and electronic equipment, parts and batteries marked with this
symbol must not be disposed with normal household wastage, it must be
collected and disposed of separately to protect environment. Your U25 earphone
retailer will advise you of the correct way of display in your country
Certification
This device complies with Part 15 of FCC Rules. Operation is subject to the
following two conditions:
(l) This device may not cause harmful interference, and
(2) This device must accept any interference received, including interference
that may cause undesired operation.
Warning: Changes or modification not expressly approved by the party
responsible for Compliance could void the user’s authority to operate the
equipment.
NOTE: Th is 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 w ill 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 fiotry 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 on experienced radio/TV technician for help.
RF warning statement:
The device has been evaluated to meet general RF exposure requirement. The
device can be used in portable exposure condition without restriction.
The product is too small to place complete label information, so the label is
placed in the charging bin .
Customer Support
Questions? Let us help. We’re here to support you.
US
Phone: Toll Free: 844-NUU-3 365
U.S. hours: 9am-6pm ET, chat: M-F 24hrs
Email: [email protected]
Made in China