Wireless Audio Streaming - Play Spotify/Pandora music to stereo system via Bluetooth pairing (through smartphone, tablet etc.) Marine Environment Friendly - IPx6 water splashing protection, Plastic with UV coating, Fits in Standard Gauge (tachometer) opening, Conformly coated circuit board Power, Inputs & Outputs - Peak 40W x 4 channels with rear USB 2.0 & Aux input as well as RCA output for external amplifier Radio AM/FM Tuner - Auto/Manually tune your favorite radio stations (music/news/sports) and save into Preset Warranty - 1 Year Quality Promise - Strongly recommend to read the wiring guide carefully or go to shop for professional installation to make sure the radio works properly and long lasting