1. Supports MP3/WMA/WAV file formats
2.Compatible with mobile phones, PCs and multimedia devices
3.Rechargeable lithium battery: supports 28 hours playback time
4.Special function: phone handsfree
5.Bluetooth 3.0+EDR
6.Distance: 10m
7.Solution: Broadcom (without TF card function)
8.Battery: Samsung 2600mAh Li-ion battery, 28 hours music time
9.Used for bicycle, car and other outdoor sports