1. Not set up, Xiaomi Bluetooth headset by default is a single ear sound, at this time according to Xiaomi headset instructions to set up binaural sound, less than 10 minutes to solve. 

2. If you have been using the Bluetooth headset for a period of time, the best way is to reset the Bluetooth headset, press it for 20 seconds, wait until the second red and white light flashes alternately, then put it back in the box and pick it up at the same time. You can automatically connect, the success of the series is no flash, the other slow flash. 

3. If the above methods can not be solved, it is the problem of the headphones themselves, which can be contacted after sale, or repaired.

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