Mini 30PIN Speaker Receiver Bluetooth Audio Adapter Dock Features: Plug this receiver into dock station, the music will be transmitted to dock station from your mobile phone which have Bluetooth stereo function. It is fully plug & play and it does not need extra power. Support digital products using Bluetooth, such as Pad, Pod touch, Phone, Bluetooth cell phone. Complies with Bluetooth 4.0, Plug and Play. Support A2DP V1.2, compatible with all devices enabled with A2DP stereo Bluetooth. Bluetooth version: Bluetooth V4.1+EDR, Class 2 Support file: A2DP & AVRCP Bluetooth frequency range: 2.4GHz-2.4835 GHz Transmission distance: 10meters Size: 45 x 35 x 8mm Color: Black How to use: Bluetooth music receiver connects directly to the 30 pin dock. Enable the Bluetooth function for the devices such as iPad, iPhone, Bluetooth pc, cell phone, search Bluetooth devices , enter the code: 0000 and connect with it. After successful pairing, we can play music by player without wires.