GoldenHawk 3&rdquo; Waterproof Bluetooth Motorcycle Stereo Speakers 7/8-1 in. Handlebar Mount MP3 Music Player Sound Audio Amplifier System Scooter ATV UTV w/AUX IN, FM Radio, USB, SD Card, 12V 3.5mm Audio Jack AUX IN Available. Support USB and SD Card(Included mini SD card adapter) MP3 files. Support USB Charging. FM Radio. Clock Display. Perfect for Motorcycle ATV UTV Electric Bike Marine Boat Listen to music, support USB/SD/Bluetooth Wireless, plug and play. Speaker Clamp Universal fit for 7/8 to 1" handlebar. Support Bluetooth Wireless connection up to 15 meters. Bluetooth Wireless: Stream your favorite music and radio channel from your smartphone. Compatible with iPhone 4 / 5 / 6 / 7 / 8 / X, iPod, Samsung Android Galaxy S Note Series and any smartphone devices. Superb Crystal Sound Quality. Advanced Waterproof Design on both radio unit and speakers. Waterproof Design, Handles All Weather ConditionsEasy Installation: Comes with all necessary hardware and wiring. Plug and Play. Standard 12V Power Connection.