1.Brand: Lenovo
2.Model: X15
3.Color: Black&White/Black&Yellow/Pink&White(optional)
4.BT version: V5.0
5.Transmission distance: About 10m
6.Frequency response: 20Hz-20KHz
7.Impedance: 16Ω
8.Signal to noise ratio: ≥90dB
9.Audio decoding: AAC, SBC
10.Battery capacity: 350mAh(charging case), 30mAh(earbud)