There are many applications that do not have much room for large bulky headunits or sometimes come with no source output at all. Now you can add
DS18 HYDRO BTRC-R Marine Waterproof Universal Bluetooth Streaming Audio Receiver with Functions Control (Works with android and iPhone)
DS18 LBC6VAM Badge with RGB Lights and Volt/Current Meter
DS18 LED-BTC Waterproof Bluetooth Wireless Reciever For
DS18 LED-BTC Waterproof Bluetooth Wireless Reciever For
DS18 LED-BTC RGB LED Lights Bluetooth Control (Works with Android
DS18 LBC6VAM Badge with RGB Lights and Volt/Current Meter
DS18 LBC6VAM Badge with RGB Lights and Volt/Current Meter
DS18 LED-BTC RGB LED Lights Bluetooth Control (Works with Android
DS18 LED-BTCDRM RGB LED Dream Digital Bluetooth Control marine