BT Version: BT 5.0
Driver Unit Diameter: 10mm
Transmission Distance: about 10 meters (no obstacle)
Frequency Range: 20-20KHz
Speaker Sensitivity: 108dB
Charging Case Capacity: 3.7V 250mAh
Earphone Battery Capacity: 3.7V 40mAh
Working Time: 4 hours
Package Size: 12*8*3.2cm/4.7*3.1*1.3in
Package Weight: 82g/2.9oz
Bluetooth Version 5.0 Working Time 4 hours Speaker Sensitivity 108dB Frequency Range 20-20KHz
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