Bluetooth Version:Bluetooth 5.0,Music Audio :MP3 / WMA / WAV / FLAC / APE Support:MP3/USB/TF/LINE IN//BLUETOOTH,Accept:U Disk , TF 1.TF: TF memory card (maximum support 32GB),2.USB: U disk (maximum support 32GB),3. LED indicator,4.PREV/VOL-:Short press is to select the previous song; long press is to decrease the volume 5.PLAY/PAUSE:Short press is the switch between pause and play; long press is the switch of USB / TF / / AUX / BLUETOOTH; in the state, the pause play button is automatic search; 6./VOL+:Short press is to select the song; long press is to increase the volume; Voltage:12V Material Type:ABS Radio Response Bandwidth:87.5 - 107.5 MHZ Item Weight:0.02kg OSD Language:English Color:Silver Item Size:50 * 24 MM Resolution:x Install Size:1 Din Out :None Display Size:1.1 inch Computer Memory Size:Accept TF card no more than 32G Name:MP3/USB/TF/LINE IN//BLUETOOTH Master IC:AC6925A Main control IC:AC6925A Bluetooth IC:AC6925A Bluetooth version:V5.0 Music :MP3 / WMA / WAV / FLAC / APE lossless Radio frequency:87.5-107.5 MHZ Function introduction:support MP3/USB/TF/LINE IN//BLUETOOTH/DC Panel size:50 * 24 MM, the depth of the board is 35MM Package Contents: 1 *Bluetooth panel 4 *wire Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.