1.Play usb/tf card in the mp3 audio file 2.External audio input 3. External power charging interface4.Fm auto scan radio5.Speaker with autodyne system 6.Fashionable appearance design 7.3d stereo surround soundenjoy music for long hours inbult battery of 1800mahbuilt in a unique design
1.Input dc-5v
2.Built-in battery 3.Frequency response 150-18000hz
4.Power output rms 2x7w=the 10%
5.Fm 87mhz-108mhz.