Item No; GMA5101 sales_2@ galermic.com Motorcycle auido, motorcycle mp3, motorcycle accessories, motorcycle alarm, motorcycle alarm audio, motor audio, motor mp3, motorbike audio, motorbike mp3, motor audio mp3, spare parts, car parts, auto parts, etc 1.Design: MP3+ Alarm 2.Being applicable to Motorcycle and Electric-Motorcycle 3.Voltage: DC12V 4.Power Rating: 2* 20W 5.Adopting imported ST Amplifier, Hi-Fi Stereo Design 6.Loudspeakers: 2.5 inches 7.Made of Water-proof Aluminum Alloy for body 8.With high sensitivity wireless remote control ( d100meters) 9.Supporting SD/ MMC Card and USB Mass Storage to play music