1. If you want to use two Bluetooth headsets together, put the left and right headsets into the charging compartment, and the indicator light will light up. Press and hold the function keys of the left and right earphones at the same time 10 second.
2. At this time, you can wait for the red light of the left and right headphones to flash twice, and then you can take out the Bluetooth headset.
3. At this time, if you can see the earphone indicator flashing, it means that the two earphones can be used together now.
4. We can open the Bluetooth interface of the mobile phone, search for Bluetooth headsets and then pair them. After the connection is successful, the Bluetooth headset can play in binaural mode.