Functions and Features 1. Bluetooth 4.0 standard， strong anti-interference， high performance full-speed ultra-low power transmission2. Advanced echo and noise suppression technology to ensure the best call quality3. Support HS，HF，A2DP and conference call capabilities4. Supports call waiting and conference call capabilities5. With built-in rechargeable lithium battery， easy to carry.6. Low power consumption， a long talk time and standby time7. Stable performance， fast connection， the operating range searcher is sensitive accurate Pairing the speakerphone with your phone a. Open the on/off key to enter get �Cback mode， the blue LED flashed slowly.b. Click the answer/end button to enter pairing mode， then the blue LED flashes quickly..c. Searcher for the speakerphone on your mobile phone or compatible transmitter .touch and hold one button to power on and it will automatically search for a compatible transmitter ;no any codes to enter if connect with Apple or Android device， LED lights beneath the button indicate device connection and charging status.d. The devices should now recognize each other and pair. The blue LED will always light up after successful pairing.e. To complete pairing some devices require a pass key or code， please enter ��0000��f. Once successfully paired， the devices can be powerful off .To re-connect simply power them both on ， no need to pair again. Using your speakerphone Answering or ending a call -Tap the answer/end button on your speakerphone to answer/end a callMake a call-The call will automatically transfer to your speaker phone. if it does not， please press the answer/end button on your speakerphone.Adjust sound and Volume -Tap the volume up and volume sown buttons to adjust the volume levelPlay music -If your phone supports A2DP audio streaming then you can transfer music or any other type of audio to the product