User ManualTable of ContentsIntroduction2Safety precautions2Cautions for the product2Cautions for rechargeable battery3Notes on use4Part names and functions5Charging the battery6Connecting via Bluetooth wireless technology7About pairing7Pairing a Bluetooth device7Using the product8Power supply ON/OFF8Wearing the product8Listening to audio9Talking on the phone10Auto power off function10Reset function10Cleaning11Eartips12Eartip size12Replacing the eartips12Troubleshooting13Indicator lamp display14Specifications15Size: 1.16 MBPages: 16Language: EnglishOpen manual