This reminder clock with vibration alarm features a stylish and soft silicone strap that is lightweight, durable and hypoallergenic. The case is made of ABS and PC, is lightweight and does not strain your wrist. The bright screen provides a comfortable touch feeling. A unique gift for your loved ones, friends or yourself. Quiet alarm clock with strong vibration: Up to 6 individual vibration alarms, no daily on/off required. The quiet, strong vibration does not disturb others, perfect for discreet and continuous reminders. Multifunctional: Time, date, and week display. Features 6 groups of alarm settings, 12/24 hour format, cycle timing, and temperature measurement. Set it as a silent reminder for important meetings or medications. Rechargeable and waterproof: Waterproof and sweat-proof design. The long-lasting rechargeable battery lasts 30 days on a full charge, so you can enjoy an uninterrupted and worry-free morning without constantly replacing batteries. It can be quickly charged via a USB charging port. Easy to use: Easy to set up, no connection to Bluetooth or a mobile app required. Simply program on the device. Power off memory function saves all alarm settings. The pocket size makes it easy to take anywhere. Material: Silicone and ABS Battery capacity: 75mAh 3.7V Operating environment: -10 to 50 C Waterproof grade: IPX5 Charging voltage: DC 5V (Built-in USB can be directly plugged into a power bank for charging) Function: Body temperature measurement: Temperature is automatically measured throughout the day. An alert will activate when the temperature is measured above 37.3 C. Time and date can be set. Vibration alarm clock, can set up to 6 alarms. Timing stopwatch. Fully charge and work for about 30 days.