... U-disk FEATURE 1.Lamborghini Car design, with digital Screen.2.Compatible with iPod, iPhone, iPad, smartphones, MP3/ ... MP4 players and other audio devices equipped which with a 3.5mm audio jack.3.USB flash ... / 1000 mA2.Output RMS 3w, THD=10%3.Speaker Power:4Ω/3W * 24.Frequency Response:150Hz---16KHz ... FM Frequency:87.5---108MHZ8.Battery: 600mAh9.Speaker size:45 mm. portable mini speaker with light