1.Brand Name: Lenovo
2.Model Number: LP7
3.BT Version: 5.0
4.Transmission Distance: 10m (no obstacle)
5.Frequency Response Range: 20Hz-20KHz
6.Impedance: 32Ω
7.Sensitivity: 120±5dB
8.Headphone Battery Capacity: 3.7V 50mAh
9.Charging Box Capacity: 3.7V 500mAh
10.Music Time: About 4 hours
11.Color: Black
12.Headphone Weight: 8.9g/0.31oz
13.Case Weight: 73g/2.57oz
14.Package Size: 12.3*11.2*5.0cm/4.84*4.41*1.96in
15.Package Weight: 134g/4.72oz