A. Wireless charging indicator, white LED, power on and off; The mobile phone is always on when charging; Foreign matter and overtemperature flicker; B. Alarm clock function: 5 button switches: 1. Power switch, long press the switch; 2. Set button: set time, alarm clock (set alarm clock time, buzzer alarm), 12H/24H; Press and hold to enter the setting mode. In the setting mode, press the up and down keys to select 12/24H; Then click the setting key to set the time (clock, minute); Alarm clock; 3. Click "+" to add; Double click: Alarm setting; 4. Click "-" to decrease; Double click to switch between F/C; 5. Reset button, click to the factory setting state; C. Temperature display function, real-time display of daily temperature;