Overview:
BT 5.1 technology brings higher data transfer speed, more stable performance, and lower power consumption. With TWS technology, left and right earphone channels are separated. You can use the earbuds solely or in pairs. Auto fast pairing between left and right earbuds when taking out of the charging box. Easy and quick to pair with BT-enabled audio devices. Equipped with a 1200mAh charging box to charge the earbuds. Built-in Microphone delivers clearer and more real talking sound. Lenovo QT81 Bluetooth headphones will bring you a perfect user experience.
Features:
TWS BT5.1:
Wireless dual ear design, you can use the earbuds solely or in pairs. BT 5.1 brings higher data transfer speed, more stable connection, and lower power consumption.
Fast & Easy Paring:
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.
Long Battery Life:
40mAh battery in each earbud offers about 5 hours of music playing time. Lenovo QT81 Bluetooth headphones can be charged automatically in the 1200mAh charging box.
Hands-free with Dual Mic:
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.
Battery Digital Display:
LED battery digital display can clearly show the battery allowance of the Lenovo QT81 Bluetooth headphones and charging box. Charging box can work as a mobile power source to charge mobile devices in an emergency.
Smart Touch Control:
Touch control design, no more pressure on your ears. Easy to control music, volume, and call, and activate voice assistant.
Specifications:
Brand Name: Lenovo
Model Number: QT81
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