APPS2Car Mazda OEM Radio Bluetooth Phone and Music Adapter Connect By Cd Changer Port (Support Bluetooth Handsfree and Music Stramline) for Mazda 3/6/323/MPV LATEST BLUETOOTH 4.0 - The latest Bluetooth technology for full-speed transmission and low power consumption.Support bluetooh profiles:HFP,A2DP.Fully bcakward compatibility for iPhone,Android Phone,Blackberry Phone,Windows Phone and other Bluetooth capable device. PREMIUM SOUND QUALITY - Connet via car radio CD changer port,avoid FM sigal noise interference.Bulit-in Monster 4.0 Bluetooth transfers CD quality sound.Echo and noise reduction technology for non-stop clear call conversation & dynamic music streaming experience. MUTIFUNCTION LED CONTROLLER - 4 buttons design make Easy controls for call answer/end/reject,music play/pause/track+/track- and VOL+/VOL-.Built-in LED indicator for your easy cosy calling or music streaming experience at night driving. SMART ASSISTANT - Automatically connect to the last pair Bluetooth device and stop automatically when receives an incoming call.No battery require.Build-in high performance microphone can easy to answer coming call.Support car radio button and steering wheel control volume. EASY INTALLATION - Plug & play.Plug the kits into the CD changer port,place the Bluetooth controller,pair your device,then enjoy it.