- 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, continuous 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, 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 sweat-resistant and splash-proof (IPX5 rating), suitable for daily use around water. The long-lasting rechargeable battery lasts up to 30 days on a full charge, eliminating the need for frequent battery replacements. Charges quickly and conveniently via built-in USB port, compatible with power banks and standard USB chargers. - Easy to use: Simple setup with no Bluetooth 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, so there's no need to reset after recharging. Compact and portable design fits easily 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 connection to power bank or USB charger) Functions: 1. Body temperature monitoring: Automatically measures body temperature throughout the day. If temperature exceeds 37.3°C, the wristband 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. Countdown timer and stopwatch 5. Full charge supports approximately 30 days of operation