- BT Version: BT 5.1
- 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 (Optional)
- Earbud Size: approx. 4.1*1.7*1.6cm/1.61*0.67*0.63in
- Earbud Weight (Each): 4.0g/0.14oz
- Charging Case Size: approx. 8.3*4.8*3.0cm/3.26*1.89*1.18in
- Charging Case Weight: 70g/2.47oz
- Package Size: 14.0*11.2*3.8cm/5.51*4.41*1.49in
- Package Weight: 130g/4.58oz
Package List:
1 * Pair of Lenovo QT81 Bluetooth headphones
1 * Charging Box
1 * Charging Cable
1 * User Manual
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