User's Manual

2. Headphones cannot be turned on.
Solution: The battery runs low. Recharge the battery.
3. Can the battery be replaced ?
Solution : The battery is non-detachable and cannot be replaced.
4. Can the headphones be used while driving ?
Solution : Don’t use the headphones in an environment that requires your special
attention.
5. Bluetooth connection is suddenly interrupted within 10 meters.
Solution : Check if there is metal or other material interfering with the transmission.
6. No audio signal
Solution :

Check if the headphones are turned off.

Check if the headphones are paired. If necessary, pair the headphones with the
audio source again.

Check the connection to your audio source. The volume is too low, turn up the
volume.
7. Can the headphones be used to control the APPs on your mobile phone ?
Solution : Software settings of APPs may be varied, thus some APPs may not be
controlled by the headphones.
8. The headphones can’t be recharged.
Solution : Check the connection of USB plugs. If necessary, remove the USB cable
and plug again. Turn on the headphones then turn it off.
Specifications:
Product type: Bluetooth headset
Wear style: Head wear
Connection: Bluetooth & AUX
Bluetooth version: V5.1
Support Bluetooth mode: A2DP 1.2, AVRCP 1.0, HSP, HSF 1.5
Range: 33 feet (10 meters)
Power indicator: Blue light and Red light
Battery capacity: 400mAh
Normal charging time: About 3 - 4 hours
Playback time: Around 15 - 20 hours
Talk time: Around 13 - 15 hours
Standby time: Around 400 hours
Microphone sensitivity: 38dB
Directivity: Omnidirectional
Microphone Impedance: 2.2KΩ
Working Temperature: -10° — 60°
Speaker Diameter: 40mm
Speaker Impedance: 32Ω
Frequency Range: 20-20kHz