- 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 offers 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 switching required. The silent, strong vibration ensures you're alerted without disturbing others. Ideal for discreet reminders such as bathroom breaks, homework, medication, hydration, waking up, exercise, daily planning, prayer times, or routine tracking. - Multifunctional: Displays time, date, and day of the week. Includes battery indicator, 6 alarm groups, 12/24-hour format, countdown timer, and temperature measurement. Practical for more than just waking up—use it for all-day reminders, including silent alerts for meetings or medication schedules. - Rechargeable and waterproof: Designed to be sweat and water resistant, suitable for use during showers. 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, allowing for easy charging anytime, anywhere. - Easy to use: Simple setup with no Bluetooth or mobile app required. All settings are programmed directly on the device. Power-off memory function retains all alarm settings, so there's no need to reset after turning off. Compact size allows for 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. Alerts vibrate when temperature exceeds 37.3°C. 2. Time and date display with setting capability 3. Vibration alarm with support for up to 6 alarm groups 4. Stopwatch timer 5. Fully charged battery lasts approximately 30 days