By default, the control operations for this product do not include waking up the voice assistant. You can enable this function through the Nothing X app:
1. Open the Nothing X app.
2. Go to Controls.
3. Select the left or right earbud.
4. Set the gesture Tap & hold or Double tap & hold to trigger the Voice Assistant.
After making these changes, you can use the specified gesture to wake up the Voice Assistant.
For more operations, please download the Nothing X app from Google Play or the iOS App Store.