Herdio Marine Bluetooth Receiver Ip67 Waterproof, Bt 5.3 Remote, Speakers BT 5.3 Superior Connectivity: The Bluetooth Receiver Brings higher sound quality, faster speeds, 10 Meter (33 Feet) Operating Range stream your favorite audio tracks, ensuring seamless wireless audio streaming in your vehicle. Robust Waterproof Design: Our Bluetooth Amplifier Board Futures Water Resistant design with IP67 standard for Construction and Engineered for marine environment, the Bluetooth Audio Receiver is ideal for diverse applications, including automotive, marine, powersport, and more, ensuring durability and reliability RCA Outputs and Versatile Audio Connectivity: Connects to any powered speakers with a standard +12V~24V DC volts power. Featuring 2-channel RCA output and a remote trigger output, this device seamlessly integrates with your amplifier and audio setup. Enjoy a myriad of connectivity options and convenient control over your sound system Universal Compatibility: Seamlessly integrate with Android or iPhone devices through advanced technology, ensuring crystal-clear sound reproduction and effortless control over your audio system, Stream audio from your smartphone to connect with marine amplifier or Bath audio system What Is In The Box Herdio Customer Service: 1 x Bluetooth Receiver, 1 x 3M Adhesive Backing , 2 x Screws, 1 x Instruction Manual. Please feel free to let me konw if you have any question in using, we'll help you within 24 hours