How to reset or initialize the Wireless Headphones (WI-C400)
Reset the Headphones
Step 1
Plug the USB cable into the headset to charge.
Step 2
The headset is reset automatically when the charging starts
Step 3
Pairing information and other settings will not be affected
Initialize the Headphones to Factory Settings
Step 1
Turn off the headset, and ensure no USB cable is connected.
Step 2
Press and hold the [POWER] and the [Playback] button for 7 seconds or more. A blue indicator light will flash four times.
Step 3
The headset will initialize, resetting the settings and pairing information.
Step 4
Delete the headset from the list of Bluetooth products on your device.
Step 5
Pair the headset to your selected device again