This reminder clock with vibration alarm clock has a silicone strap that is lightweight and hypoallergenic. The movement is made of ABS + PC, is lightweight and does not strain your wrist too much. The bright screen provides a touch feeling. This is a gift for your loved ones, friends or yourself.Quiet alarm clock with vibration: Up to 6 individual vibration alarms, no daily on/off required, quiet, vibration does not disturb others, for discreet, continuous reminders such as toilet training, going to the toilet, doing homework, taking medication, drinking water, getting up, exercising, creating a daily plan or a prayer or a routine.Multifunctional: Time/Date/Week Display, Battery, 6 groups of alarm settings, 12/24 hour format, cycle timing, temperature measurement, etc. Not only for waking up, but also for meticulous memories throughout the day. Set it as a silent reminder for important meetings or medications.Rechargeable and waterproof: Waterproof and sweat-proof design, no need to worry about showering. The rechargeable battery lasts 30 days on a full charge, so you can enjoy an uninterrupted morning without having to constantly replace batteries. In addition to long battery life, it can be charged anytime and anywhere via a USB charging port.To use: set up, no connection to Bluetooth or a mobile app required, simply program on the bracelet, power off memory function, save all alarm settings, you don't have to worry about resetting when the device is off. The pocket size fits easily in a shirt pocket or bag.Material: silicone+ABSBattery capacity: 75mAh 3.7VOperating environment: -10~50 CWaterproof grade: IPX5Charging voltage: DC=5V (built-in USB can be directly plugged into the power bank for charging)Function:1. Body temperature measurement: The body temperature is automatically measured throughout the day. When the temperature is measured to be above 37.3 , the wristband will automatically alert and remind,2. Time and date can be set,3. Vibration alarm clock, can set up to 6 sets of alarms4. Timing stopwatch5. Fully charge and work for about 30 days.