Feature: 1. 30PIN: Bluetooth adapter receiver for ipod, for iphone Dock, Bluetooth music receiver with 30 pin connector, can be connected to Bluetooth speaker system. 2. COMPATIBILITY: Bluetooth receiver is suitable for iphone 4 4S etc. and speaker system with 30pin connector for devices, please check your device before connecting. 3. FAST TRANSMISSION RATE: Bluetooth sound receiver transmission rate 4Mbps, play your favorite songs on your device from a distance via BT connection. 4. BLUETOOTH: Bluetooth sound adapter is compatible with all Bluetooth enabled wireless music transmission (A2DP), so you can seamlessly enjoy music streaming without further manipulation. 5. EASY TO USE: Wireless bluetooth sound receiver is plug and play, instant installation, easy configuration, just plug, pair and play the music. Specification: Item Type: Bluetooth Adapter Receiver Material: ABS Interface: 30pin Transmission Rate: 4Mbps Bluetooth Distance: Approx. 10m/10.9yd Bluetooth Version: 2.0 Support Protocol: A2DP Package List: 1 x Bluetooth Adapter Receiver How To Use 1. Connect the receiver to the 30 pin connector of the speaker dock, the blue and red flashing lights will indicate "pairing mode". 2. Enable Bluetooth for the device to be connected, the receiver will be located in the list of selected and paired available devices. 3. If prompted, please enter pin code 0000. 4. After successful pairing, music will be played wirelessly to the dock and a flashing blue light will confirm successful pairing.