Bluetooth Receiver for 30-pin Apple Cable or Sound Dock. Android/iPhone/iPod/Windows Stream A2DP music/audio from any Bluetooth device, not just Apple products. It plugs onto a 30-pin Apple connector/cable but you can then use it with Android, Windows or Apple devices. Plugs onto your 30-pin iPod cable or dock station. It is unobtrusive at about 1.5 inch x 1.5 inch. Utilizes your existing iPod interface connection. (ie - You must already have an iPod kit or a docking station that was originally intended for use with a 30-pin Apple product.) Does not require charging. Gets power from your 30-pin plug, be it a cable or a dock station connector. (Turns off only when you turn off the cable/dock it is physically connected to.) Please see the Product Description below for additional details.