Transmission range: 10 meters
Function: call function, support music, multi-point connection
Bluetooth protocol: 4.0
Channel: stereo
Usage: neck hanging
Single or dual ear: bilateral stereo
Standby time: 160 hours
Talk time: up to 58 hours
Music playback time: about 4-6 hours
Charging time: about 2 hours
Microphone sensitivity: -41+ 1DB
Frequency response: 20- 20000HZ
Output sensitivity: 92±3DB
Impedance: 16+ 10%
Rated input power: 10MW
Distortion: ≤1%
Cable length: 75MM
