mini, hifi color, usb,FM,sd card remote Features:1. Can play U disk SD/MMC card for music and FM stereo radio,support MP3, WMA music format. USB+SD+MMC+FM 2. Selected high-power four-channel professional power amplifier integrated circuits, minimal distortion, strong power 3. Pre-professional level input operational amplifier IC for circuit design, sound, transparent, bright. 4. Filtering and ...