- 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 daily on/off required. 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 routines, or personal schedules. - 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 features support all-day reminders beyond just wake-up alerts. Set silent notifications for important meetings or medication times. - 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. Charges quickly via USB port, allowing convenient charging anytime, anywhere. - Easy to use: Simple setup without requiring Bluetooth connection or mobile app. All settings are programmed directly on the device. Features power-off memory function that retains all alarm settings, so there's no need to reset after turning off. Compact size allows easy portability and fits conveniently 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. Temperature measurement: Automatically monitors body temperature throughout the day. If temperature reaches or exceeds 37.3°C, the device vibrates to alert the user. 2. Time and date display with adjustable settings 3. Vibration alarm with support for up to 6 alarm groups 4. Countdown timer and stopwatch 5. Fully charged battery provides approximately 30 days of operation