Plug & Play, Rechargeable.
Bluetooth, FM Radio, Audio Input.
USB/TF Reader, Recording Function.
Wireless Auto-dyne System Speaker.
Input DC-5V.
5W*2 66mm Dual Subwoofer.
Frequency response: 150-18000kHz.
Power Output RMS 2X5W = THD10%.
FM 87MHz-108MHz.
2400mAh Lithium Battery.