Multiple playback modes: support TF card, U disk, Bluetooth, audio cable. Digital color screen display, with amplifier 2x3W, at the same time connected to two 3w speakers. Support MMC/SD/ card, support for USB interface (U disk) Support external audio input LINEIN; support BT function, BT version 5.0. Support radio FM, retrieval band (87.5MHZ-108.0MHZ) Working voltage: DC 5V (recommended to use 2A cell phone fast charger for power supply) Working current: more than 1A (different radio stations, different music working current are different) Static working current: about 40mA (no music playback) Output power: 2x3W Radio frequency: 85.7MHz-108MHZ Note: This product is a DIY kit, not a final product! This soldering project requires basic electronics knowledge and hands-on skills. Colour:Transparent Material:PCB+components+acrylic Package Contents: 1 x DIY kit(It's DIY kits, needs to by yourself) 1 x remote control Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.