* Support USB, TF, FM * Support bluetooth (after been paired with mobile phones can realize wireless music play) * Support USB / TF / Bluetooth/FM / LINE switch. MP3 / WMA, WAV lossless music decoding chip. * Support USB / TF card switch, PREV, NEXT, fast forward, fast rewind, volume, EQ, play / pause, stop, single repeat, mute, shutdown and direct election. * Support Bluetoot PREV, NEXT, volume, EQ, play/pause, mute, turn it off. Input voltage: 6-24V