Portable Mini Speaker 1. Loud speaker 2. Support usb 2.0 and SD card 3. Support phone, TV, Computer, etc. Portable Mini SpeakerCountry of Origin ... 1, clock bit code screen; Metal shell2, SD/MMC card/USB Host3, clock, alarm clock, thermometer4, MP3 player: MP3, WMA ... , WAV......5, FM radio6, multimedia box function (external MP3, MP4, PC, laptop computers, mobile phones and ...