Auto DimmingTouch the alarm button to adjust 5 levels of brightness, and it can also automatically switch the brightness of different time periods to meet your needs intelligently. Memory functionBuilt-in memory function, even if the power is off, the time data will not be lost, no need to reset. Plus, if you're a heavy sleeper, or you have different schedules from your family, you can set two separate alarms. Multiple Ringtones AdjustableThere are 40 ringtones to choose from, make your day brighter. The volume is divided into 4 levels, allowing you to set the most comfortable level. This is an elegant bedroom alarm clock. Stylish and SimpleThis stylish and simple mirror alarm clock can decorate your bedroom, living room, office, dorm. It is also the best gift for children, partners and the elderly. Note: No plug, please connect to USB port or only 5V/1A and 5V/2A adapters, need to be plugged in to use. . Product size: 3.5*7.0*26.5cm