Support signal switch directly. Supports USB and TF card. Supports Bluetooth 3.0; after pairing with mobile phones, enables wireless music playback. Supports USB, TF, Bluetooth, FM, and LINE input switching. Features MP3, WMA, and WAV lossless music decoding. Supports USB and TF card switching, with controls for PREV, NEXT, fast forward, fast rewind, volume, EQ, play/pause, stop, single repeat, mute, shutdown, and direct selection. Supports Bluetooth controls for PREV, NEXT, volume, EQ, play/pause, mute, and power off. Compatible with FAT16 and FAT32 file systems. Supports MP1 Layer3, MP2 Layer3, and MP3 Layer3 audio formats. Supports 32320 Kbps MP3 files. Supports power-off memory function to remember last played track and volume level. Color: Black Material: ABS Size: 108 x 25 mm Package Contents: 1 x Decoder board 1 x Remote control 3 x Audio cables Note: The package includes only the items listed above. Other accessories are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement error allowed is +/- 13 cm.