Aluratek 30 Pin Bluetooth Audio Receiver for iPhone Dock Stream Wirelessly up to 33 feet away Works with any phone or device capable of transmitting the Bluetooth stereo (A2DP) protocol Works with most 30 pin iPhone docks. Charges as it streams so you never run out of battery. Very easy to use: PLUG, PAIR and PLAY Bluetooth Adapter for iPhone iPod Bose Docking Stations and Motorcycles. Works with most 30 pin iPhone docks. Charges as it streams so you never run out of battery. Very easy to use: PLUG, PAIR and PLAY 1 Year Manufacturer warranty