About this item Bluetooth – Built-in Bluetooth automatically reconnects to the last device. Stream your music library from your smartphone or MP3 player or use apps such as Spotify and Pandora Weatherproof: The latest weatherproofing techniques have been utilized so that if the weather decides to be anything but sunny, you can keep on riding. The IPX5 rating makes sure of that Amplified: The four 4?? speakers and two 1?? soft dome tweeters are powered by a high-performance built-in A/B amplifier RGB Illumination – Change the colors of the dome light with the included wireless remote control. Control things like the speed, color, mode, brightness and more. It looks great, especially at night! Inputs: USB, Aux-in Compatible with the audio output of iPods, iPhones, smartphones and MP3 players Pre-Amp Outputs: If you are looking for more sound, the RCA pre-amp outputs let you connect multiple systems together Specs & Contents: Dimensions 4.76?? x 3.69?? x 26.38??