Features: 100% brand new and high quality Using intelligent MCU more recognition rate for speaker Reverse control music play 2015 Hot Sale Bluetooth A2DP Music Receiver Audio Adapter for iPhone 30Pin Dock Speaker Worldwide Hot Drop Power bluetooth IC more stronger compatibility Easy to use by connecting directly 30-pin dock to change the common sound-box to Bluetooth sound-box Support digital products using Bluetooth as for iPad for iPhone Bluetooth cell phone Bluetooth PC. Complies with Bluetooth 2.1 Transmission distance: up to 10 meters(No obstructions) 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. Specifications: Color: Black White Dimension: 42 *36 * 8mm(L*W*H) Support: Bluetooth V2.1 Connector: 30-Pin Dock Package Includes: 1x Bluetooth Music Receiver