1.Brand Name: Lenovo LP2
2.Bluetooth Version: 5.0
3.Transmitting Distance: 8-10m
4.Drive Diameter: 10mm
5.Frequency Range: 20-20KHz
6.Speaker Sensitivity: 96dB
7.Mic Sensitivity: -42dB±3dB
8.Impedance: 32Ω±15%
9.Charging Case Battery Capacity: 3.7V 300mAh
10.Earbuds Battery Capacity (Each): 3.7V 30mAh
11.Music Play Time: about 3 hours (depends on music volume)
12.Color: Black, White (Optional)
13.Earbud Weight (Each): 3.4g/0.12oz
14.Package Size: 13.8*9.2*3.0cm/5.43*3.62*1.18in
15.Package Weight: 73g/2.57oz