- 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 offers a smooth touch experience. A thoughtful gift for loved ones, friends, or yourself. - Quiet alarm with strong vibration: Supports up to 6 independent vibration alarms. No need to turn on/off daily. 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, prayer, 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 functions for all-day reminders. Use as a silent alert for meetings or medication schedules. - Rechargeable and waterproof: Designed to be sweat-resistant and water-resistant (IPX5), suitable for everyday use including handwashing or rain. Built-in rechargeable battery lasts up to 30 days on a full charge. Charge quickly and conveniently via USB port without needing frequent battery replacements. - Easy to use: Simple setup with no Bluetooth or app connection required. Operate directly from 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 fit 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. 2. Time and date setting 3. Vibration alarm clock with support for up to 6 alarm groups 4. Stopwatch timing function 5. Fully charged unit operates for approximately 30 days