User ManualTable of ContentsWhat is Bluetooth wireless technology?6Welcome!73 steps to Bluetooth function8Location and Function of Parts9Charging the unit10Pairing12What is pairing?12Procedures of pairing12Wearing the unit14Indications of Bluetooth function15Listening to music16Controlling the audio device – AVRCP17Calling19Controlling the Bluetooth mobile phone – HFP, HSP21Calling while playing back music22Precautions23Troubleshooting25Common25When charging26When listening to music26When calling27Initializing the unit27Specifications28General28Headset29System requirements for battery charge using USB29Size: 609 KBPages: 32Language: EnglishOpen manual