- 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, exercise, daily planning, prayer, 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), suitable for everyday use, including handwashing or rain exposure. The long-lasting rechargeable battery lasts up to 30 days on a full charge. Equipped with a built-in USB charging port for convenient charging from power banks or adapters. - 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 after shutdown. Compact size allows easy portability in pockets or bags. 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, compatible with power bank charging) Functions: 1. Body temperature monitoring: Automatically measures body temperature throughout the day. If temperature reaches or exceeds 37.3°C, the wristband vibrates to alert the user. 2. Time and date setting 3. Vibration alarm: Supports up to 6 alarm groups 4. Countdown timer and stopwatch 5. Fully charged unit operates for approximately 30 days