- 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 provides a comfortable viewing experience. This makes 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, 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 personal reminders. Set silent alerts for important meetings or medication schedules. - Rechargeable and waterproof: Designed to be sweat-resistant and water-resistant, suitable for use during handwashing or in rainy conditions. The long-lasting rechargeable battery provides up to 30 days of use on a full charge, eliminating the need for frequent battery replacements. It can be conveniently charged anytime via USB port. - 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 easy portability and fits comfortably 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 device 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 battery lasts approximately 30 days under normal usage