1. M165 single ear Bluetooth headset support one for two subwoofer effect
2. You can listen to music and talk freely in sports leisure and office.
3. Compatible with various Bluetooth devices mobile phones tablets laptops etc.
4. Transmission distance: 15m
5. Bluetooth version: V4.1
6. Call time: 4 hours
7. Standby time: 100 hours
8. Charging time: 90 minutes
9. Frequency range: 2.4G
10. Receive sensitivity: less than -80dBm

Packing list:
Bluetooth headset x 1
Charging cable x 1
Instruction manual x 1
Packing box x 1