Handlebar Mounting. Easy Installation,Plug and Play. Waterproof (Just Speaker only) . bluetooth Wireless: Stream your favorite music and radio channel from your smartphone. Be suitable for Motorcycles, ATVs, Recreational, ATV, UTV, Tourist Cars, Golf Carts,Etc. For Android , For Galaxy S Note Series and any smartphone devices. Comes with all necessary hardware and wiring. Plug and Play. Standard 12V Power Connection. Specification: Product Name: Motorcycle bluetooth Speaker. Material: Plastic & Metal. Speaker Color: Black / Chrome. Quantity: 1 Set. Amplifier Specification: Input Voltage: DC 10-16 V. Input Sensitivity: 100MV-3000MV. Rated Power: 2*20W. Peak Power: 300W. Channel: 2.0. Channel Separation: ＞45dB. Sensitivity: 150mA. Fuse Rating: 10A. Wireless transmission range: > 15m. Response Frequency: 20Hz-20KHz. S/N: >80dB. Speaker Specification: Speaker Housing: 10.2cm/ 4. Connector: RCA Male. Cable length: 178cm/70 . Quantity: 2pcs. Function: Built-in M Radio. 3.5mm AUX Audio Jack. Left and Right RCA out for included Speakers. Aluminum Housing Amplifier. Metal mounting clamp. Full function Wired remote. READ BEFORE PURCHASE / IMPORTANT NOTES: 1. Speaker size is 4 W x 5 L. Please make sure you have enough of room and clearance to install BEFORE purchase. 2. Only the speakers are waterproof. The amplifier is NOT waterproof. Please install the amp in a shaded area to avoid rains and direct sunlight. The power amplifier is normal to get warm while in use. Package Included: 2X    Waterproof Speaker. 1X    Amplifier. 1X    Wired Control. 1X    3.5mm Audio AUX Cable. 1X    DC to Ring terminal power cord. 1X    Set of Handlebar Clamp. 1X    User Manual