- 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 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 reminders such as bathroom breaks, homework, medication, drinking water, waking up, exercising, daily planning, or routine tracking. - Multifunctional: Features include time, date, and weekday display, battery indicator, 6 groups of alarm settings, 12/24-hour format, countdown timer, temperature measurement, and more. Practical for all-day reminders beyond waking up. Set silent alerts for important meetings or medication schedules. - Rechargeable and waterproof: Designed to be sweat-resistant and splash-proof (IPX5 rating), suitable for daily use including handwashing or rain. The long-lasting rechargeable battery lasts up to 30 days on a full charge, eliminating the need for frequent battery replacements. Charges quickly via built-in USB port, compatible with power banks, adapters, and computers. - Easy to use: Simple setup without Bluetooth or app connection. All settings are programmed directly on the device. Power-off memory function retains all alarm settings when turned off, so there's no need to reset. Compact size allows easy portability and fits conveniently in a pocket or bag. Material: Silicone + ABS Battery capacity: 75mAh 3.7V Operating environment: -10C to 50C Waterproof rating: IPX5 Charging voltage: DC 5V (built-in USB, can be charged via power bank) Functions: 1. Body temperature measurement: Automatically monitors body temperature throughout the day. When temperature reaches or exceeds 37.3C, the wristband vibrates to alert. 2. Time and date setting 3. Vibration alarm clock with support for up to 6 alarm groups 4. Stopwatch timer 5. Fully charged unit operates for approximately 30 days