- 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 bright screen provides a comfortable touch experience. This is a thoughtful gift for loved ones, friends, or yourself. - Quiet alarm with strong vibration: Supports up to 6 individual vibration alarms, no daily on/off required. The silent, strong vibration does not disturb others, making it ideal for discreet reminders such as bathroom breaks, homework, medication, hydration, waking up, exercise, daily planning, or routine tracking. - 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. Practical for more than just waking up—use it for all-day reminders, including meetings or medication schedules. - Rechargeable and waterproof: Designed to be sweat-resistant and waterproof, suitable for use during handwashing or in rainy conditions. The long-lasting 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, compatible with power banks and standard USB chargers. - Easy to use: Simple setup with no Bluetooth or mobile app required. 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 off. Compact size allows for easy portability and can be carried 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 display with adjustable settings 3. Vibration alarm clock with support for up to 6 alarm groups 4. Stopwatch with timing function 5. Fully charged battery provides up to 30 days of working time