BT717
Proposal:Jerry
Bluetooth version:Bluetooth V5.0+EDR
Transmission distance:10-15m
Battery:200mAh rechargeable lithium battery
Charging time:1hour
Standby time:180hours
Endurance:10hours
Earphone parameters
Horn:∅40mm
Sensitivity:110±3dB S.P.L at 1 KHZ
Impedance:32Ω
Frequency response:20Hz-20KHz