1, 2.1 USB SOUNDDOCK DIGITAL MUSIC SYSTEM 2, RMS: 11W 3, IPHONE/ANDROID MOBIL ... SD/FM tuner Patented speaker system with FM USB CLOCK Features:1, 2.1 great selling multimedia speaker 2 ... FM, automatically search and save radio station5, Support clock, alarm clock and sleeping function6, Compatible with MP3/WAV audio format7 ... ABS Power input: DC 5VProduct picture Patent music speaker system with FM USB