Marine Radio Marine Stereo Bluetooth Boat Stereo Gauge Style round Stereo System Boat Radio. Wireless Audio Streaming – Play APP music to stereo system via Bluetooth pairing through smartphone, tablet etc. Marine Environment Friendly – IPx5 water splashing protection, Plastic with UV coating, Fits in Standard Gauge (tachometer) opening, Conformly coated circuit board. Display Brightness Adjustable, Dim at night and Bright for the day time, user oriented. 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. 3.7 out of 5 stars. 4.2 out of 5 stars. 4.3 out of 5 stars. 4.0 out of 5 stars. 3.8 out of 5 stars. 40W x 4 Channels. 60W x 4 Channels. 45W x 4 Channels. RCA, Bluetooth, Auxiliary, USB. 8.58 x 7.64 x 4.49 inches. We reserve the right to cancel any order for any reason at any time. We are not responsible for undeliverable addresses. Your feedback very important to us, after you get your package and you are. Satisfied with our service. If you have any problem with your order / any questions please before leave any type of feedback. Thank you for shopping at our store.