- 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, hydration, waking up, exercising, daily planning, or routine tracking. - Multifunctional: Features time, date, and weekday display, battery indicator, 6 alarm groups, 12/24-hour format, countdown timer, stopwatch, and temperature measurement. These practical functions support all-day reminders, including silent alerts for important meetings or medication schedules. - Rechargeable and waterproof: Designed to be sweat-resistant and water-resistant (IPX5 rating), safe from splashes and rain. The long-lasting rechargeable battery lasts up to 30 days on a full charge. Charge quickly and conveniently via the 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, so you don’t need to reset after turning off. Compact size makes it portable and easy to carry 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. 2. Time and date setting 3. Vibration alarm: Supports up to 6 alarm sets 4. Countdown timer and stopwatch 5. Fully charged unit operates for approximately 30 days