Feature: 1. Long Range Connectivity: The marine stereo receiver features a Bluetooth signal with an effective transmission distance of 10 meters, compatible with for iOS, for Android, and for Windows system devices. 2. Versatile Playback Experience: The marine digital media receiver offers a range of convenient playback options including Bluetooth, USB, one set of AUX inputs, one set of RCA outputs, and one set of SUB bass outputs. 3. Anti Interference: Designed with anti interference reception IC module, provide stable signal amplification without frequency dropping, and auto search and manual tuning modes allow for easy station finding and storage. 4. Superior Audio Quality: Supports lossless FLAC format for surround sound, offering CD quality sound effects. Ideal for easy music downloads and a truly immersive surround sound experience. 5. Designed for Marine Use: This Marine Stereo Receiver is built with a DC 12V power requirement, making it perfect for use in yachts, RVs, engineering vehicles, ships, and other maritime environments. Specification: Item Type: Marine Digital Media ReceiverMaterial: Aluminum alloy + ABS .Compatible Format: MP3 IF Range: 10.7MHz Usable Sensitivity: 15db Load Impedance: 4x4Ω Signal to Noise Ratio: 50db Stereo Separation: 30db (at 1KHz) Tone Adjustment: ±8db Audio Output: 2ch and 4ch Line Out Maximum Output Level: 1.5Vrms (±3db) Frequency Response: 20Hz-20kHz Signal to Noise Ratio: 60db Separation: 50db Radio Frequency Range: FM 87.5-108MHz, AM 522-1620KHz Features: Dust proof and Water resistant, High Definition Bluetooth, Lossless Music, 4x50W Maximum Power Output, Preset Equalizer (Pop/Rock/Classic), LCD Clock Display Battery Model: CR2025x1 (Delivered with Battery in Remote Control) Battery Capacity: 300mAh Applicable Models: Fits for yachts, engineering vehicles, excavators, forklifts, trucks Package List: 1 x Player1 x Bracket1 x Wire Harness1 x Remote Control1 x Double Sided Tape1 x Instruction Manual1 x Fuse Wire Harness1 x Pack of Screw Washer (6 Pcs)