Pyle PLMCA31BT 400-Watt Motorcycle Weatherproof Bluetooth Sound System with Speakers, Amplifier and 3.5mm iPod Input 200 Watt x 2 micro amplifier with wire harness - Environment resistance and water proof, Bluetooth and in-line volume control console with 3.5mm Stereo Input Jack Dual 2.25" Bullet style Weatherproof speakers - Easily connect other audio devices like iPods, MP3 Players, Smartphones, Cell Phones, etc. - Bluetooth Console Dimension : 1.65"(W) x 0.87"(H) x 2.36"(L) Universal handlebar mount rotary volume control - Bluetooth 3.0 technology - Easy and quick installed handle-bar mount bracket is included 12 Volt T-TAP - Bluetooth auto connected while power on - Speaker Dimensions : 2.5"(W) x 2.5"(H) x 3.75"(L) Easy Chrome Stainless Mounting Brackets and Accessories included - Bluetooth auto disconnected while Aux-in (3.5mm connector) - Amplifier Dimensions : 3.25"(W) x 1.25"(H) x 2"(L)