I turned them on this morning and then they turned off by themselve a second later. I thought they had no battery so I connected them for at least one hour but it didnt help.
I noticed that after connecting them to the power, the charging light flashes red/white, not only white like usual. They do work if I use the audio jack cable, but without the noise cancelling because they turn off a second later.
I tried this,
"I would firstly suggest performing a reset of your headphones. Instruction on how to do this can be found below."
- Disconnect all cables from the headphones
- Connect one end of the USB cable to a USB-A wall charger or computer that is powered on
- Press and hold the Power/Bluetooth® button while connecting the small end of the USB cable into the USB-C port on the right earcup
- Release the Power/Bluetooth button after 2 seconds
It didn't work.