- 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 provides a smooth touch experience. This makes a thoughtful gift for loved ones, friends, or yourself. - Quiet alarm with strong vibration: Supports up to 6 customizable vibration alarms, no daily on/off required. The silent, strong vibration alerts do not disturb others, making it ideal for discreet 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, stopwatch, and temperature measurement. These practical functions support all-day reminders, including silent alerts for meetings or medication schedules. - Rechargeable and waterproof: Designed to be sweat-resistant and water-resistant (IPX5 rating), suitable for use in wet conditions, though not intended for swimming or submersion. The built-in rechargeable battery lasts up to 30 days on a full charge, eliminating the need for frequent battery replacements. Charges quickly via USB port, allowing convenient charging anytime, anywhere. - Easy to use: Simple setup with no Bluetooth or mobile app required. All settings are programmed directly on the device. Features power-off memory function that retains all alarm settings even when powered down, so there's no need to reset after turning off. Compact size allows easy portability and can be carried in a shirt 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 allows direct charging from power bank) Functions: 1. Body temperature measurement: Automatically monitors body temperature throughout the day. If temperature reaches or exceeds 37.3C, the wristband vibrates to alert the user. 2. Time and date display with setting capability 3. Vibration alarm clock with support for up to 6 alarm groups 4. Countdown timer and stopwatch 5. Fully charged battery provides approximately 30 days of operation