- 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 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 bathroom breaks, homework, medication, drinking water, waking up, exercising, daily planning, or routine tracking. - Multifunctional: Displays time, date, and day of the week. Features include battery indicator, 6 alarm groups, 12/24-hour format, countdown timer, temperature measurement, and more. Practical for more than just waking up—use it for all-day reminders, such as important meetings or medication schedules. - Rechargeable and waterproof: Designed to be waterproof and sweat-resistant, suitable for use during showers. The long-lasting rechargeable battery lasts up to 30 days on a full charge, providing uninterrupted performance without the need for frequent battery replacements. It can be quickly charged anytime via USB 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 allows for easy portability and fits conveniently 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 directly connected to a power bank for charging) Functions: 1. Body temperature measurement: Automatically monitors body temperature throughout the day. If temperature reaches or exceeds 37.3°C, the wristband vibrates to alert the user. 2. Time and date setting 3. Vibration alarm clock with support for up to 6 alarm groups 4. Stopwatch timer 5. Fully charged battery lasts approximately 30 days of normal use