ITEM NAME:1Pc TF Radio MP3 Decoder Board 12V Audio Module for Car Remote Music SpeakerBX Description: Black Material: Plastic + PCB 1.5 "LCD Working voltage: dc 12v, Working current: 1500mA, Usb output voltage: dc 12V +/- 5%, Usb output current: 1000mA, Decoding formats: mp3, Storage support: usb disk, tf card, tf card supports up to 16 GB, Impedance: 32ohm, Aux input level: 650mv, Fm frequency range: 87.5 ~ 108 MHz, Connectors: 1 x USB 2.0, 1 x tf card slot, 1x3.5mm out jack Features: Playing music in USB flash drive or direct tf card, infrared remote control, external audio input, USB charging. Application: Great for the music sound device diy projects Packing list: 1 x mp3 player module 1 x remote control  (note: there is no instruction).Storage support: usb disk, tf card, tf card supports up to 16 GB. Connectors: 1 x USB 2.0, 1 x tf card slot, 1x3.5mm out jack. 1 x mp3 player module. Decoding formats: mp3. Aux input level: 650mv. Application: Great for the music sound device diy projects.