- 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 material, lightweight and comfortable to wear. The bright screen provides a comfortable touch experience. 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 toilet training, going to the bathroom, doing homework, taking medication, drinking water, waking up, exercising, creating a daily routine, or prayer schedules. - Multifunctional: Features time, date, and weekday display, battery indicator, 6 groups of alarm settings, 12/24-hour format, countdown timer, stopwatch, and temperature measurement. These practical functions support all-day reminders. Use as a silent alert for important meetings or medication schedules. - Rechargeable and waterproof: Designed to be waterproof and sweat-resistant, safe for use during handwashing or in rainy conditions. The long-lasting rechargeable battery lasts up to 30 days on a full charge, providing reliable performance without frequent charging. Equipped with a built-in USB port for convenient charging from power banks, computers, or adapters. - 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 even when powered down. Compact size allows 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, can be plugged directly into a power source) Functions: 1. Body temperature measurement: Automatically monitors body temperature throughout the day. If temperature reaches or exceeds 37.3°C, the device vibrates to alert the user. 2. Time and date setting 3. Vibration alarm clock with support for up to 6 alarm groups 4. Countdown timer and stopwatch 5. Fully charged unit operates for approximately 30 days