Huawei Eyewear 2 Quick Start Manual page 16

Method 2:
EN
1. While wearing the eyewear, press and hold the
middle part of the outside of both arms at the
same time for at least 4 seconds, until you hear
a long beep, which indicates that the eyewear
has entered Pairing mode.
2. Go to your phone's Bluetooth settings, search
for the eyewear, and connect to it.
If no sound plays when you press and hold the arms
with both hands, press and hold another position or
check whether the eyewear has sufficient power.