Bluedio BT3 Audio Receiver(for Apple 30PIN Sound Docking Station). You can enjoy stereo music comfortably and have the ability to control your playlist directly from your device through your Sound Docking Station wirelessly. BluedioBT3 Technical Specification: Bluetooth Version: 3.0 Transmitting Power: Class2 Operating Distance: Up to 20m (free space) RF Frequency Response: 2.4~2.48GHz Supported Profile: A2DP, AVRCP, HSP, HFP Input Power Voltage: 5-15V Operating Current: 30-40mAh Bluetooth 3.0 technology and Play all your music wirelessly.With Bluedio BT3 Audio Receiver, it can make all music playing devices such as iPhone, Samsung or HTC to play music through Bluetooth in Sound Docking Station which made for iPhone, iPod and iPod nano devices. Thus, with its reliable data transmitting technology of Bluetooth 3.0, you can transfer your mobile music to your Sound Docking Station comfortably and enjoy high quality music. Lying on your sofa, enjoy stereo music comfortably.Use your mobile phone as a remote control, to delivering amazing melody from your Sound Docking Station. Strong compatibility .Bludio BT3 can be compatible with all devices enabled with A2DP stereo Bluetooth. Especially, Solve the problem of Sound Docking Station made for iPhone3/3Gs/4/4s(30PIN) may not compatible with iPhone5 Apple fans smart choice.With BT3, let all the fans of Apple devices not to miss the chance to use iPhone5, enjoying music in Sound Docking Station. Compact design .Bluedio BT3 is lightweight and mini size .you can carry it everywhere. Sometimes it may be your favorite gift for your friends