Waterproof Vibration Alarm Watch with Countdown Timer, Personal Alarms Vibration Alarm Watch, Vibrating Alarms With Countdown Timer, Waterproof Vibration Alarm Reminder Clock, Personal Alarms - High quality: This reminder clock with vibration alarm has a stylish and soft silicone strap that is lightweight, durable, and hypoallergenic. The case is made of ABS + PC, lightweight and comfortable to wear. The bright screen provides a comfortable touch feeling. This is a unique gift for your loved ones, friends, or yourself. - Quiet alarm with strong vibration: Supports up to 6 individual vibration alarms, no daily on/off required. The quiet, strong vibration does not disturb others, making it ideal for discreet, continuous reminders such as bathroom breaks, homework, medication, hydration, waking up, exercise, daily planning, prayer, or routine tasks. - Multifunctional: Displays time, date, and day of the week. Features include battery indicator, 6 alarm settings, 12/24-hour format, countdown timer, stopwatch, and temperature measurement. These practical functions support all-day reminders, including silent alerts for important meetings or medication schedules. - Rechargeable and waterproof: Designed to be waterproof and sweat-resistant, safe to wear during showers. The long-lasting rechargeable battery lasts up to 30 days on a full charge, eliminating the need for frequent battery replacements. It can be quickly charged anytime via the built-in USB charging port. - 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 makes it portable and easy to carry in a pocket or bag. Material: Silicone + ABS Battery capacity: 75mAh 3.7V Operating environment: -10C to 50C 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. When temperature exceeds 37.3C, the wristband vibrates to alert the user. 2. Time and date display with setting function 3. Vibration alarm clock with support for up to 6 alarm groups 4. Countdown timer and stopwatch 5. Fully charged battery provides up to 30 days of use