Supports high-quality audio formats including MP3, WMA, APE, FLAC, and WAV from SD/U cards. Bluetooth enabled for wireless music streaming and app control via 'BTMATE' for iOS and Android. Features multiple input modes: USB, SD, Bluetooth, FM, and AUX, with easy switching via the MODE button. Memory function retains settings and tracks/stations even after power off.Comprehensive control panel with options for track selection, volume adjustment, and play/pause. Supports folder switch function and back-in priority features for seamless audio integration.Designed for use with DC9-12V power supply; ideal for automotive setups with recommended voltage regulator. Power type:DC 9-12V power supply (3.7-5V power supply optional) Output amplitude:greater than equal 500MV Rated input:12V/0.2A Rated power consumption: USB playback current less than equal 120MA other states less than equal 80MA Using temperature:-20℃-60℃ Due to different batches, there may be differences in product appearance and printed text, which will not affect use. Colour:As Shown Material:Plastic Package Contents: 1 * MP3 BT Module 1 * Remote 2 * 2pin cable 2 * 3pin cable