- High quality: 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 + PC material, lightweight and comfortable to wear. The clear display offers a smooth touch experience. This is a thoughtful gift for loved ones, friends, or yourself. - Quiet alarm with strong vibration: Supports up to 6 independent vibration alarms. No daily on/off needed. The silent, strong vibration does not disturb others, making it ideal for discreet, consistent reminders such as bathroom breaks, homework, medication, hydration, waking up, exercise, daily routines, or personal rituals. - Multifunctional: Displays time, date, and day of the week. Includes battery indicator, 6 alarm groups, 12/24-hour format, countdown timer, temperature measurement, and more. These practical features support not only wake-up alerts but also全天 reminders for important tasks like meetings or medication. - Rechargeable and waterproof: Designed to be sweat-resistant and water-resistant, suitable for daily use including handwashing or rain exposure. The built-in rechargeable battery lasts up to 30 days on a full charge, eliminating the need for frequent battery replacements. Charges quickly and conveniently via USB port, allowing for easy charging anytime, anywhere. - Easy to use: Simple setup without requiring Bluetooth or a mobile app. All settings are programmed directly on the device. Power-off memory function retains all alarm settings, so there's no need to reset after turning the device off. Compact size allows for easy portability and can be conveniently stored in a shirt pocket or bag. Material: Silicone + ABS Battery capacity: 75mAh 3.7V Operating environment: -10°C to 50°C Waterproof rating: IPX5 Charging voltage: DC=5V (built-in USB allows direct charging from power bank) Functions: 1. Body temperature measurement: Automatically monitors body temperature throughout the day. If temperature reaches or exceeds 37.3°C, the device vibrates to alert the user. 2. Time and date setting 3. Vibration alarm clock with support for up to 6 alarm groups 4. Stopwatch timer 5. Fully charged battery provides up to 30 days of use