Get Comfortable with the Bluetooth Headphone in Your Daily Life Fit to your ear The headset comes with 8 interchangeable ear tips and 6 ear hooks. The ear tips and ear hooks are in different sizes, two of which are equipped on the headset. Please choose the right size of ear tips and ear hooks to find the most secure and comfortable combination for yourself (normally the medium ones are suitable for 75% of people). Wearing the headset Identify the right and left earpieces. Insert the earbud into your ear. Adjust the ear hook direction and put it into your ear. Adjust each earpiece until it fits flush in your ear and the ear tip seals in the ear canal. Tighten the sliding cable cinch to fix the earphones in place for the most secure fit. Multipoint Pairing The headset is capable of simultaneously connecting to two devices. To do this: Follow the "Pairing" instruction to pair the headset with your first device. Once paired, disable the Bluetooth function on your fist device, and turn off the headset. Follow the "Pairing" instruction to pair and connect your second device with the headset. Once connection between your second device and the headset is established, turn on the Bluetooth function of your first device and select the headset name to connect. Now both devices are paired with the headset. You can now make / answer phone calls from both devices.