Atmotube PRO 2 comes partially precharged, but to prevent accidental activation during transportation, the main button is disabled.
To activate the device for the first time:
- Connect Atmotube PRO 2 to a charger using the provided USB-A to USB-C cable. 
- The device will power on automatically once charging begins. 
For detailed charging instructions, see: How to charge your Atmotube PRO 2
