1. Open the charging case, and the earbuds will automatically enter pairing mode (the indicator light flashes green).
2. Turn on the Bluetooth setting of your phone/tablet/laptop and search for the earbud name "TCL CrystalClip".
3. Click the earbud name to complete pairing and connection.
4. After the first pairing, simply open the charging case for subsequent use, and the earbuds will automatically connect to the most recently paired device.