Make sure you remove the S-FIT Bluetooth profile on your device first before resetting
Make sure that your charge case is charged and then place the earbuds in the case and that they are being charged
As your earbuds are in the case, press and hold the touch control buttons on both sides for at least 15 seconds until the white LEDs flash once.
Take them out of the case and you will see Blue and White LEDs blink which indicates that it is in auto pair mode.
Your S-FIT is now ready to be connected to your Bluetooth device.