It is easy to change the battery in the OOONO CO-DRIVER NO1. It is a 3V CR2450 lithium button battery. Below you will find a video that shows how to replace the battery. ⚙️
🔺 Important: Please, connect your OOONO CO-DRIVER NO1 and OOONO app manually the first time after the battery change. Open the OOONO app and press the OOONO button for 5-7 seconds; then your OOONO CO-DRIVER should connect. Now, your OOONO CO-DRIVER NO1 works automatically again.