Wireless dual ear design, you can use the earbuds solely or in pairs. BT 5.0 brings higher data transfer speed, more stable connection, and lower power consumption.

Auto power on and fast pairing between left and right earbuds once taking out from the charging case. Easy and quick to pair with BT-enabled audio devices.

40mAh battery in each earbud offers about 5 hours of music playing time. The earbuds can be charged automatically in the 1200mAh charging box.

Built-in dual Mic delivers clearer and more real talking sound in stereo mode. BT5.1 chip enables to grasp the detail of voice greatly.

LED battery digital display can clearly show the battery allowance of the earbuds and charging box. Charging box can work as a mobile power source to charge mobile devices in an emergency.

Touch control design, no more pressure on your ears. Easy to control music, volume and call, and activate voice assistant.

Brand Name: Lenovo

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

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

1 * Pair of Lenovo QT81 Earbuds

1 * Charging Box

1 * Charging Cable

1 * User Manual