To turn off the wired headset on Huawei Enjoy 9, you can perform the following steps:
First, make sure your wired headphones are properly connected to your phone's headphone jack.
Then, find the audio Settings or headset Settings options on your phone's screen.
In that option, you should be able to find an on\/off button to enable or disable the wired headset.
Switch the switch button to the off state, which will disconnect the connection between the wired headset and the phone.
Finally, you can pull out the wired headphones from the headphone jack. In this way, you have successfully turned off the wired headset on Huawei Enjoy 9.