Bluetooth: Jerry Bluetooth 6973 D4 Ma المزدوج
Transmission Distance: 10m Sensitivity: 112dB
Frequency Range: 20Hz-20KHz
Support Protocol: HSP/HFP/A2DP/AVRCP
Speaker: 13mm Copper ring composite membrane
Battery Capacity: 30mAh/ 300mAh
Talk Time/ Music Time(hrs): Around 4 hrs
Earphone Charging Time : 1.5 hour
Battery Case Charging Time : 2 hours
Battery case Endurance: 3-4 times.
Standby time: 4 Months