Product Feature:
bluetooth V5.1 chip,stable singal transmission.
Bluetooth transmission distance: 10 meters.
and only 14g weight,stable and comfortable.
Support adjust volume and change music
Battery Capacity: 300mAh
Noise Reduction: CVC 6.0
Working voltage: 3.7V
Charging voltage: DC5V
Charging Time: about 2-3 hours
Talking time: about 15-40 hours
Music time: about 15-40 hours
Standby time:about 480 hours
Frequency response: 20 - 22kHz
Products include
1 * Bluetooth headsets
1 * Charging cable
1 * User Manual
2 * Ear cap
2 * Ear hang