Perfect for Motorcycle ATV UTV Electric Bike Marine Boat Golf Cart in DC 12V support USB SD FM Bluetooth Connect to Android phone Competible with Huawei Samsung etc Anti-theft function, make your motor more safe Waterproof Design, 12V Power Connection. : Lock Function Remote Control The product has anti-theft and overtaking alarm functions, can search car in the parking lot Bluetooth Wireless Music Streaming Abiltiy Radio function, supports SD, MMC card, U disk playing Dc 12V speaker imdepance 4 to 8 using Frequency Range: 87-108MHZ Practical sensitivity: Less than 11 dB Letter throat than: more than 60 dB Standby current: less than 1.2 ma With AUX function, looping music, after powerful failure volume, and the current music memory functions Specifications Output power: 2 x 10 W Motorcycle audio color: Back Speaker color: Black Package included 1 x Motorcycle audio 2 x Speaker 1 x Remote control 1 set x Install accessories 1 x English manual