Dual Waterproof Speaker With High Quality Plastic Stereo Main Unit. High Performance Power Amplifier Built-in. Speaker Clamp Universal fit 7/8inch to 1 1/4inch handlebar. Support Bluetooth Wireless connection up to 15 meters. 3.5mm Audio Jack AUX IN Available. Support USB and micro-SD Card MP3 files. (USB Charging NOT Supported). FM Radio. Clock Display. Bluetooth Wireless: Stream your favorite music and radio channel from your smartphone. Fit For 4 / 5 / 6 / 7 / 8 / X, , Android Galaxy S Note Series and any smartphone devices. Superb Crystal Sound Quality. Advanced Waterproof Design. Digital Display. Stereo Unit Built with High Quality Aluminum Material. Perfect for Motorcycle ATV UTV Electric Bike . Great for outdoor use. Easy Installation: Comes with all necessary hardware and wiring. Plug and Play. Standard 12V Power Connection. Main feature:Bluetooth Wireless,3.5mm Audio Jack AUX IN,USB 2.0,support SD Slot,FM Radio,Display with Clock Specifications of the band FM: Cover: 87.5 - 108 MHz Sensitivity: less than or equal to 37dB Distortion: less than or equal to 0.5% : greater or equal to 40dB Rated Voltage: 12V DC Max Input Power: 7W x 2 Rated impedance: 4 - 8 ohm Bluetooth Ver.: 2.1+ Bluetooth Protocol: AVRVP1.0, GAVDP1.0, ADVTP1.0, A2DP1.0 Wireless transmission range more than 15m Colour: gold Material: plastic Package Contents: 1 x Speaker Stereo Main Unit 2 x Mounting Clamp 1 x Installation tool kit 1 x English Manual Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.