2 Alarms with Snooze FunctionAlarm clock has two separate alarm times. You can set 2 alarms in one day to schedule your time appropriately. The snooze function provides an extra 5 minutes of sleep, you just need to 'to lean onon the snooze/light button which at the top of the snooze alarm clock. This cycle will be performed until you press another key USB Charging & Built-in BatteryOur alarm clock contains USB charging cable for power supply (no adapter), built-in button battery to save your clock settings in case of power failure. (Attention: please log inwith the USB port or ONLY the 5V/1A and 5V/2A adapter to charge the clock) Temperature Display & Adjustable BrightnessThe digital alarm clock is with temperature display (/). You can switch to C (Fahrenheit) or F (Celsius) temperature display via the UP button. While charging, the LED display lights upalways and automatically adjusts the brightness in 3 levels for different periods. Large LED digital display, clear and comfortable visual sense, it will automatically dim from 10:00 p.m. to 6:00 a.m. You can also adjust the brightness Voice ControlThe LED display will light up when it detects sound or when you press the ''SNOOZE/LIGHT'' button. clapping, knocking on the table, tapping or making a sound above 90 dB to activate the smart alarm clock. displayautomatically turns off after 6s 13 Music and Adjustable VolumeIt is a non-ticking alarm clock, and you can adjust the volume of 13 alarm sounds by pressing "+" or "-" when setting the alarm clock. loud or alarming volume, easy to adjust. Time display supports formats12 hours and 24 hours 1, to see better, you can tear off the protective film when you use it for the first time. 2, to turn on/off the alarm: in the normal state display time, press the "Alarm 1" key to turn on/off the alarm 1 function, press the " key Alarm 2" to enable/disable the alarm 2 function. (Note: each alarm function can be activated / deactivated separately). 3, please keep the watch away from any heat sources, the watch cannot be used in high temperature or high humidity environment. 4, if the watch shows a messy code or wrong display, please use the pin and press the "RESET" key, the watch will return to normal working status. 5, please turn off the power switch when you don't use the watch for a long time. Package includes: 1 x LED digital alarm clock 1 x USB cable (without adapter) 1 x instruction manual