To use any of our devices, charge it fully before using. Once charged, press and hold the power button turns on. You may be prompted to go through various screens, depending on your device model. Our devices incorporate a battery supervision feature that checks its status every 24 hours, ensuring it remains ready for use. If you encounter any issues during setup, feel free to contact our support team at 1(800) 519-2419 for troubleshooting assistance.