- 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 a thoughtful gift for loved ones, friends, or yourself. - Quiet alarm with strong vibration: Supports up to 6 customizable vibration alarms. No need to turn on/off daily. 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. Practical for more than just wake-up alerts—use it as a silent reminder for meetings or medication schedules. - Rechargeable and waterproof: Designed to be waterproof and sweat-resistant, suitable for use during handwashing or in rainy conditions. The long-lasting rechargeable battery provides up to 30 days of use on a full charge, eliminating the need for frequent battery replacements. Charges quickly and conveniently via USB port, compatible with power banks and standard USB chargers. - Easy to use: Simple setup with no Bluetooth or app connection required. All settings are programmed directly on the device. Power-off memory function retains all alarm settings even when the device is 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 measurement: Automatically monitors body temperature throughout the day. Alerts user when temperature reaches or exceeds 37.3°C. 2. Time and date display with adjustable settings 3. Vibration alarm clock with support for up to 6 alarm groups 4. Stopwatch with countdown timer 5. Fully charged battery lasts approximately 30 days