Original Lenovo QT81 Headphones Bluetooth Wireless Earphones TWS Gaming Sport Earphone Power Bank Earbuds HD Call Headphone
Model Number: QT81
BT Version: BT 5.0
Transmitting Distance: 10m/33ft (no obstacle)
Drive Unit: 13mm
Frequency Range: 20-20KHz
Sensitivity: 98±3dB
Impedance: 32Ω
Charging Box Capacity: 3.7V 1200mAh
Earphone Battery Capacity: 2 * 3.7V 40mAh
Music Play Time: about 5 hours (depends on music volume)
Waterproof: IPX4
Color: Black, White
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