Note: 1. You must turn on the mobile phone's Bluetooth first, and then open the APP "Apai Genie". There is no need to manually pair the Bluetooth. It will automatically connect within 6 seconds. The red light will be on. If it is not on, the red light will flash. 2. Don't move the face/object too fast. If you want to stop the rotation, short press the power button. 3. The current tracking area is a cyan square area. 4. Compatible with iPhone iOS 10.0 or higher and Android 8.1 or higher