... .can use the USB,SD,MMC card with MP3,MP4,Mobile,FM 3.frequency87.5-117MHZ. plastic rechargeable of USB Mini ... Speaker 1.SD/MMC/USB/Alarm clock/LCD/FM 2.Good sound and wooden material mini 3.mini ... MMC/U Disk/LCD/Alarm clock2) Color :same sample3) FM radio4) Battery charging indicator in volume control knob5) Remote control ... :12200pcs40'GP:24850pcs40'HQ:29100pcs Mini Speaker with MP3,MP4,Mobile,FM