Model: M277
Chip:JL
Wireless Version:V5.0+EDR
Transmission distance:10m
Playing time:10 hours
Stanby time:300 hours
Battery:300 mAh rechargeable lithium battery
Charging time:2 hours
Driver unit:40mm
Impedance:32Ω
Sensitivity:103±3dB S.P.L at 1KHz
Frequency Range:20Hz-20KHz
Max Input Power:15mW × 2
Chip:JL
Wireless Version:V5.0+EDR
Transmission distance:10m
Playing time:10 hours
Stanby time:300 hours
Battery:300 mAh rechargeable lithium battery
Charging time:2 hours
Driver unit:40mm
Impedance:32Ω
Sensitivity:103±3dB S.P.L at 1KHz
Frequency Range:20Hz-20KHz
Max Input Power:15mW × 2
Model: M277
Chip:JL
Wireless Version:V5.0+EDR
Transmission distance:10m
Playing time:10 hours
Stanby time:300 hours
Battery:300 mAh rechargeable lithium battery
Charging time:2 hours
Driver unit:40mm
Impedance:32Ω
Sensitivity:103±3dB S.P.L at 1KHz
Frequency Range:20Hz-20KHz
Max Input Power:15mW × 2
Chip:JL
Wireless Version:V5.0+EDR
Transmission distance:10m
Playing time:10 hours
Stanby time:300 hours
Battery:300 mAh rechargeable lithium battery
Charging time:2 hours
Driver unit:40mm
Impedance:32Ω
Sensitivity:103±3dB S.P.L at 1KHz
Frequency Range:20Hz-20KHz
Max Input Power:15mW × 2