- High quality: This reminder clock with vibration alarm has 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 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: Features time, date, and weekday display, battery indicator, 6 alarm groups, 12/24-hour format, countdown timer, temperature measurement, and more. Practical for more than just waking up—use it as a silent reminder for meetings, medications, or daily tasks. - Rechargeable and waterproof: Designed to be sweat-resistant and water-resistant (IPX5), suitable for daily use including handwashing or rain exposure. 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. - 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 off. Compact size allows easy portability and can be carried in a 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 wristband vibrates to alert. 2. Time and date setting 3. Vibration alarm: Supports up to 6 alarm groups 4. Stopwatch timing function 5. Fully charged unit operates for approximately 30 days