- 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 smooth touch experience. This makes 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 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 personal reminders. Set silent alerts for important meetings or medication schedules. - Rechargeable and waterproof: Designed to be sweat-resistant and water-resistant (IPX5 rating), suitable for use during handwashing or light rain. The long-lasting rechargeable battery lasts up to 30 days on a full charge, eliminating the need for frequent battery replacements. Quickly recharge via USB port anytime, anywhere. - Easy to use: Simple setup with no Bluetooth or mobile app required. All settings are programmed directly on the device. Features power-off memory function to retain all alarm settings, so there's no need to reset after turning off. Compact size allows easy portability and fits conveniently 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 the user. 2. Time and date display with setting function 3. Vibration alarm clock with support for up to 6 alarm groups 4. Stopwatch with timing function 5. Fully charged unit operates for approximately 30 days