If your Bluetooth headset does not have an on\/off button, you can usually turn it on in the following ways:
one
Auto on: Some Bluetooth headsets will automatically turn on when you remove the headphone charging case or pair it with the device. Try removing the headset from the charging case or pairing it with the device to see if it turns on automatically.
two
Touch control: Some Bluetooth headsets have a touch control feature, which allows you to turn the headset on or off by performing specific touch actions on the headset housing. These touch operations may vary by brand and model, it is recommended to check the headset's owner's manual or the manufacturer's instructions for the correct touch operation.
There's no button. It's on standby. It's low current.