Make Any Line-in Bluetooth CompatibleThe Backstar Tone:Link Bluetooth receiver plugs into any line-in and turns your amplifier, mixing console, car radio, and more into a powerful wireless audio system. This device can connect two separate Bluetooth devices to a transmitter at the same time, and the on-board Li-battery offers eight hours of music playback at up to 65′ away. And all of the accessories and charging cabling are included. The Blackstar Tone:Link Bluetooth receiver lets you wirelessly access your music anywhere. All of us at City Music agree, the Tone:Link is a powerful wireless solution in a tiny package.Blackstar Tone:Link Bluetooth Receiver Features:Bluetooth wireless receiver great for audioCan link 2 devices simultaneouslyBuilt-in Li-battery is good for 8 hours of useConnects to stereo inputsWorks up to 65′ away in open spaces with no obstructions, 33′ feet if walls or other obstructions are present