MODEL:HI.T
1. Features: MCU control circuit, 360-degree rotary volume control, and LED indicator light. 2. Configuration: Host 1pcs, USB special cable 1pcs, product specification 1pcs, pure metal crust. 3. Specificati***:a.) Power supply:DC5V ~ 6V, built-in rechargeable battery Power c***umption: Max 2.5W Frequency:100Hz~20kHz can use power adapter for charging