- Before the first use, charge your NEA™ 3 for 2 hours.
- The interface of your NEA™ 3 may be locked. Hold down both buttons for 5 seconds.
- Press and hold the right button to turn it on.
- A quick double press allows you to switch between dierent modes.
- Semi-long press on the left or the right button changes the power level up and down.
- Press and hold the left button to turn it off.