ACREO M20 TWS Earbuds User Manual

ACREO M20 TWS Earbuds

LED LIGHT

BASIC OPERATION

Power On
Press and hold the “touch area I” for 3 seconds to tum on the headphone.

Power off
When the headset is turned on, press and hold the “touch area I” for 3 seconds to turn off the headset.

Headphone pairing

The first:
When the earphone is in the state of the charging compartment, the left and auxiliary earphones are taken out from the charging compartment, and the primary and secondary earphones are paired. After the pairing is successful, the white light of the primary headset flashes once in 8 seconds.

Second:
The headset is not in the charging compartment state, and the left and right are held down by the”touch area I “for 3 seconds. When the machine is turned on, the left and right headphones are automatically connected back. After successful back connection, the white light of the headset flashes once in 8 seconds, end the red and white light of the headset flashes alternately.

TOUCH DESCRIPTION

Play/ pause/ call

• Short press ‘touch area during music playback, music pause;
• Short press ‘touch area I” when the music is paused, music playback;
• Short press “touch area I’ when there is an incoming call, answer the call:
• Long press “touch area I” during the call to hang up the current call;
• Press and hold the ‘touch area I’ when there is an incoming call, and refuse to answer;
• When Bluetooth is connected.press L side twice in a row”Touch areal “The volume reduction, Press R side twice in a row “Touch area I “The volume increase

PRODUCT MANUAL

MODE DESCRIPTION

Charging Mode
New headphone has power supply for several times, when the battery is low, please use the USB charge cable to start charge nearly 1.5 hours. the headphone will power off automatically In charging state. The red indicator light is in charging state while it goes out after fully charged.

Reset Mode
After long pressing the “touch areal’ for 3 seconds, the headset will automatically enter the Bluetooth mode to pair or return to the last successful connection.

Standy Mode
The device will shut down automatically after 3 minutes without any connection, and the red light will flash twice in 1 second.

SPECIFICATION

Bluetooth Device Name

Compatible Bluetooth Profiles

| Acree AirBuds

A2DP / HSP / SPP / HFP /PBAP

---|---
Transmission Distance| 8-10m
Impedance| 320± 15%
Sensitivity| 103±3dB at 1KHZ
Frequency band| 20 HZ~20K HZ
Packing Accessories

1: Bluetooth Headphone| 2 : Charging Cable
3 : User Manual| 4, Ear-tips

Like Warm and Prompt:

1. Please use USB power of 5V 1A/5V2A for output when charged, it may damage the headset using charging equipment with high voltage.
2. When the headset is not in use for more than three months, please use it after full charged.
3. When not in use for a long time, it is recommended to charge the headset every three months to protect the battery life more effectively.

PRECAUTIONS

• Please Don’t place headphones in high temperatures, including strong sun exposure.
• please Don’t place headphones near a fire or other hot environment.
• Please Don’t place headphones In wet or submerged In liquid environments, keep it dry.
• Please use the specified charge cable offered by our company.
• please don’t disassemble, repair or reform it.
• Please note that excessive drop, impact, abrasion or other acts of affecting headphone function, if there is any damage, such as depression, puncture, tearing, deformation or corrosion etc., please stop using the device immediately, and contact the seller or contact us by the service information on the warranty card.
• Please stop using the headphone immediately If the headphone produces abnormal smell, higher than normal temperature, and abnormal changes in color or shape, and contact the seller or contact us by the service information on the warranty card.

Warning Using headset at high volume for long periods of time may cause damage to your hearing.

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation

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.

Warning: Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment

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