Steps to pair Oculus GO Controller :
1. Download the Oculus app from https://support.oculus.com/183135912238400/ and follow the on-screen instructions to connect your Oculus Go to Wi-Fi.
2. Insert the included battery into your controller, then tap Continue in the Oculus app.
3. Hold the Oculus and Back buttons on your controller until the controller LED blinks and then lights up.
4. In the Oculus app, tap Left or Right to choose which hand you'd like to use, then tap Continue to finalise the pairing.
Note : You can change which hand you'd like to use by selecting Handedness from the controller settings menu in the Oculus app