- 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 clear display provides a comfortable viewing experience. This makes it 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 function 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 design: Displays time, date, and day of the week. Includes battery indicator, 6 alarm groups, 12/24-hour format, countdown timer, temperature measurement, and more. Practical for more than just waking up—use it for all-day personal reminders, including silent alerts for meetings or medication schedules. - Rechargeable and waterproof: Designed to be sweat-resistant and splash-proof (IPX5 rating), suitable for everyday use including handwashing or rain exposure. The built-in rechargeable battery lasts up to 30 days on a full charge, eliminating the need for frequent battery replacements. Charges quickly and conveniently via USB port, compatible with power banks, adapters, and computers. - Easy to use: Simple setup with no Bluetooth connection or mobile app required. All settings are programmed directly on the device. Features power-off memory function that retains all alarm settings even when turned off. Compact size allows for easy portability and can be carried 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 monitoring: Automatically measures 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. Stopwatch and countdown timer 5. Fully charged battery provides approximately 30 days of operation