Supports signal switch directly. Supports USB and TF card. Supports Bluetooth (Bluetooth 3.0 EDR); 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 Layer 3, MP2 Layer 3, and MP3 Layer 3 audio formats. Supports MP3 bitrates from 32 to 320 Kbps. Supports power-off memory function: remembers the last played song and volume level before shutdown. 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 products are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement error allowance is +/- 1-3 cm.