This 30 pin dock can transform your speakers into a fashionable wireless BT speaker by connecting via BT to your smart phone. Music borderless, music wireless. Enjoy high fidelity music at any place indoor by wireless control. Features: Mini, lightweight and portable design. Easy to use by connecting directly 30 pin dock to transform your speakers into a fashionable wireless BT speaker. Long distance to play your favorite songs in your device through a BT connection. Suitable for iPad, for iPod, for iPod Touch, for iPhone, for Samsung, for HTC, for BT cell phone and BT PC/tablet，etc. Comply with BT 2.0, support A2DP V1.0, V1.2, V2.0, V2.1, V3.0, V4.0 , plug and play. Compatible with all BT devices that support wireless music transfer(A2DP). Music borderless, music wireless. Enjoy high fidelity music at any place indoor by wireless control. Specifications: BT 2.0 Support: A2DP V1.0, V1.2, V2.0, V2.1, V3.0, V4.0 Interface/port: Standard iPod 30 pin interface Output: 30pin audio output Transmission rate: 3(Mbps) Transmission distance:>10m Color: White, black (optional) BT name: DL－LINK Password: 0000 Item size: 4.2 * 3.6 * 0.8cm / 1.65 * 1.41 * 0.31in (L * W * H) Item weight: 11g / 0.38oz Package size: 12 * 10.3 * 1.7cm / 4.72 * 4.05 * 0.66 (L * W * H) Package weight: 26g / 0.93oz Operation steps: 1.Turn on the stereo, insert the device into the dock, if the blue & red LED light twinkles very quickly, it means that the device is in the matching mode and operating well. 2.Turn on the BT function of computer, mobile or other device which has BT function, searching for the BT name "DL－LINK" to connect and input: 0000 for matching when the device is in the matching mode. 3.The blue lighttwinkle slowly after matching successfully, and it could be played the wireless music. 4.If you want to change the player when the device is working, it should be disconnected from the computer or mobile which in use and re-matching the other BT devices. Remove the device and reinsert into docking if connecting failed. Package List: 1 * BT Music Audio 30 Pin Receiver