- 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 comfortable touch experience. This is a unique gift for 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 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. 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 alerts for important meetings or medication schedules. - Rechargeable and waterproof: Designed to be sweat-proof and water-resistant (IPX5 rating), suitable for use during handwashing or in rainy conditions. The long-lasting rechargeable battery lasts up to 30 days on a full charge. Charges quickly via built-in USB port, compatible with power banks, adapters, or any standard USB power source. - Easy to use: Simple setup without Bluetooth or app connection. All settings are programmed directly on the device. Power-off memory function retains all alarm settings even when powered down. 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, can be plugged directly into a power bank) Functions: 1. Body temperature measurement: Automatically monitors body temperature throughout the day. Alerts vibrate when temperature reaches or exceeds 37.3°C. 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 up to 30 days of operation