Support calls/support recording (external recording). Recording needs to be operated in TF mode or USB mode.<br> (Long press the MODE button to start recording, long press the MODE button again to cancel recording and play the recording file; in recording mode, you need to connect a storage device U disk or TF card;)<br> Support USB/TF/Bluetooth/radio/AUX automatic switching<br> Support power-off memory function: remember the songs and volume before power-off<br> The product comes with a power amplifier that supports balanced output and a stereo power of 50W.<br> 5V-12V power supply<br> Support folder selection playback<br> Support MP3/WMA/WAV/APE/FLAC version of song decoding<br> Signal-to-noise ratio ≥70dB<br> Radio frequency range: 87.5~108MHz<br> Due to different batches, there may be differences in product appearance and printed text, which will not affect use<br> Button function<br> "PREV/VOL-" long press to reduce the volume; in USB/TF/Bluetooth/radio mode, short press to the previous song/previous station<br> "PLAY/PAU" short press to play/pause in USB/TF/Bluetooth mode; long press to switch modes.<br> "NEXT/VOL+" long press to increase the volume; in USB/TF/Bluetooth/radio mode, short press to the next song/next radio station<br> "MODE" is mode switching, a total of 5 modes (Bluetooth-TF-USB-FM-AUX<br> Colour:silver/Black<br> Material:plastic<br> Package Contents:<br> 1 x Host<br> 3 x 2P power cord<br> 1 x 1P radio antenna<br> 1 x Remote control<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.