Product Features:

Brand new, high quality assurance.
The long battery life enables Earbud to provide up to 8 hours of talk time/music time and 240 hours of standby time.
The headset is compatible with all smart phones, tablets, music players and other Bluetooth-compatible devices.
Built-in high-definition and sensitivity microphone. Reduce noise and wind to obtain clear and clear call quality.
The ergonomic design is optimized for ultimate wearing comfort.
Noise reduction, sweatproof in-ear stereo headphones.
Easy to pair, control volume, start/stop music, answer calls and move between songs.
The angle can be adjusted by 180-degree flip to make the headset fit the right or left ear, providing great convenience for users.

Switch:

1. Turn on the power: press and hold the power button for 3 seconds until the LED indicator starts to flash.
2. Turn off the power: press and hold the power button for 5 seconds. The LED will light up and then go out.
Pair:
If this is your first time using this device, please pair this device first.
1. To enter the pairing mode, press and hold the multi-function button until the red and blue LEDs flash.
2. Turn on Bluetooth-compatible, search for the headset on the phone and connect.
3. To complete the pairing, some devices require a password or passcode, please enter "0000".
4. After successful pairing, you can turn off the power of the device. To reconnect, just turn on the power without pairing again.
Language change:
If you accidentally change the language, please try to change it back by following the steps below:
1. Turn off the power.
2. Turn on the power and release the button, and then try pairing again.
3. Now the blue light is on (but not in pairing mode).
4. Press and hold the button again for one second. Then the mode will change back to English.
Recharge
1. Use the included USB cable to connect the small end to the charging port of the headset.
2. Connect the other end to the USB input of a PC, laptop or USB power converter, the earbud type LED indicator will glow red during charging.
3. After charging is completed, the red LED will go out.

Specification:

Device type: Bluetooth-compatible headset
Bluetooth-compatible version: V5.0
Bluetooth-compatible profile: A2DP, HSP, HFP
Working frequency band: 2.4 GHz-2.48 GHz unlicensed ISM frequency band
Transmission distance: up to 10 meters (open space)
Talk time: about 8 hours
Music playback time: about 8 hours
Standby time: about 240 hours
Charging time: less than 2 hours
Battery: 61mAh
Colour: Black

Package includes:

1 Bluetooth-compatible headset
1 USB charging cable
1 replacement earplug
1 user manual