- 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 unique gift for your loved ones, friends, or yourself. - Quiet alarm with strong vibration: Supports up to 6 individual vibration alarms, no daily on/off required. The quiet, strong vibration does not disturb others, making it ideal for discreet, continuous 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. These practical features support not only wake-up alerts but also all-day reminders for important tasks such as meetings or medication. - Rechargeable and waterproof: Designed to be waterproof and sweat-resistant, suitable for use during handwashing or light rain. The long-lasting rechargeable battery lasts up to 30 days on a full charge, providing reliable performance without frequent charging. It can be conveniently charged anytime via USB port. - Easy to use: Simple setup with no Bluetooth or app connection required. All settings are programmed directly on the device. Power-off memory function retains all alarm settings, eliminating the 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 wristband vibrates to alert the user. 2. Time and date display with setting capability 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 working time