1: Supports Simplified Chinese, and English font screens. long press mode key switch easily backling would auto off after 1 mins stay , press any button to active backling of screen 2: support song name, lyrics screen display, all function screen display, at a glance. 3: Supports Bluetooth 5.0 ver. After connecting the mobile phone, you can play the songs in the mobile phone. 4: Support U disk / SD card playback, support for WAV, MP3, WMA three-format decoding. Supports fast forward and rewind, folder switching, and audio switching. 5: Supports the USB sound card function, which can be used as a sound card after it is connected to a computer via a dual-headed USB cable. support for recording function, microphone recording, radio recording, audio input recording, long press EQ button to enter recording function. When recording, you need to insert a USB flash drive or SD card to save the recording file. The file is saved in MP3 format. Supports external audio signal input function. Both the panel and mainboard have audio input interfaces. Support format:Support MP3, WAV, WMA , FLAC , APE Color: As Shown Material: ABS Package Contents: 1 x audio module 1 x remote control