- 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 it a thoughtful gift for loved ones, friends, or yourself. - Quiet alarm with strong vibration: Supports up to 6 independent vibration alarms. No need for daily on/off activation. 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, 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. 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 use during handwashing or light exposure to water. The built-in rechargeable battery lasts up to 30 days on a full charge, eliminating the need for frequent battery replacements. Quickly charge anytime via USB port for continuous, reliable performance. - Easy to use: Simple setup with no Bluetooth or app connection required. All settings are programmed directly on the device. Features power-off memory function that retains all alarm settings even when powered down. 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: -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 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 display with setting capability 3. Vibration alarm clock with support for up to 6 alarm groups 4. Stopwatch with timing function 5. Fully charged battery provides up to 30 days of working time