MODEL:HI.M
1. Features: fashion,***all,portable,built-in rechargeable battery,mini-USB port 2. Configuration: Host 1pcs, USB special cable 1pcs, product specification 1pcs, pure metal crust. Power supply:DC5V ~ 6V, built-in rechargeable battery Power c***umption: Max 2.5W Frequency:100Hz~20kHz can use USB for charging