In case your device is not able to detect 3D Sound One :

1. Make sure your device supports Bluetooth Low Energy (BLE)

2. Check that Bluetooth is activated in your device's settings. 

3. If If your device is still not able to detect 3D Sound One, try to rescue/reset them by putting them in Rescue Mode.

4. In case Rescue Mode is not working, try to Force Update 3D Sound One.

In case your headphones are still malfunctioning, please reach our support team by creating a ticket on our Help Center or by email at