Bluetooth version: V5.0
Bluetooth chip: ATS3005
Support protocol: HFP, HSP, A2DP
Control method: touch control
Operating distance: 10M
Talk time: 5 hours
Music playback time: 4.5 hours
Battery type: polymer lithium battery
Battery voltage: 3.7V
Headphone battery capacity: 70MAH
Charging box battery capacity: 3000MAH
Headphone charging time: 1H
Charging time of charging box: 4H
Touch Up and down song switching/volume adjustment/voice control
Speaker parameters: size 6mm
Speaker type: dynamic
Resistance: 32Ω
Play frequency range: 20-20KHZ
Sensitivity of sound pressure: 94dB
Input voltage: 1.8V