Pyle Boating & Marine Stereo & Speaker Kit Bluetooth Marine Stereo Receiver & Speaker System Kit, Hands-free Calling, Wireless Streaming, MP3/USB/SD Readers, AM/FM Radio, (4) 6.5 Waterproof Speakers (White) System Kit Includes Receiver + (4) Marine Speakers + Accessories In Dash Console Marine Stereo System Bluetooth Wireless Music Streaming Built-in Microphone for Hands-free Talking USB Flash Drive & Micro SD Memory Card Readers Aux (3.5mm) Input Connector Jack Ability to Connect Additional External Devices (Smartphones, MP3 Players, Tablets) Rear RCA (L/R) Output Connector Jacks Illuminated Button Controls LCD Digital Display Panel ID3 Tag Song Readout Information: Name, Title & Artist Repeat/Random Music Functions Bass, Treble, Balance, Fader Adjustment EQ Audio Configuration Used for Automobile, OffRoad, Boat & Marine Watercraft.