Description: Easy to use by connecting directly dock to change the common sound-box to Bluetooth sound-box Support digital products using Bluetooth ,such as for iPad,for iPhone, Bluetooth cell phone, Bluetooth PC. Complies with Bluetooth 2.0, Support A2DP v1.2 Simply insert this bluetooth audio receiver to your 30Pin male input on your speakers, pair it to your Bluetooth enabled device, and enjoy the wireless music revolution. Whether you want Bluetooth convenience for your dock station, through your home-theater system, in your kitchen, bathroom, or bedroom... This is your best choice! There are LED indicators to show you the connection status of your Bluetooth pairing. Specification: Dimensions: approx. 48x45x5mm Output: Bluetooth Support file: Bluetooth V2.0 A2DP V1.2 Connector: Equipment for Apple Dock Powered: via target device ( docking station) LED: One LED for paring and charging status Transmission distance: Up to 33 feet (10meters) away Methods used: Step 1: Bluetooth music receiver connects directly to for ipod speakers dock; Step 2: Enable the bluetooth function for the devices such as iPad, iPhone, Bluetooth PC, Cell Phone, search Bluetooth devices to find I-Wave and connect it; Step 3: After successful paring, we can play music by speakers without wires Package Includes: 1 x Bluetooth Music Receiver