- 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 clear display provides a comfortable viewing 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 reminders such as bathroom breaks, homework, medication, drinking water, waking up, exercising, daily planning, or routine tracking. - Multifunctional: Features time, date, weekday display, battery indicator, 6 alarm groups, 12/24-hour format, countdown timer, stopwatch, and temperature measurement. These practical functions support all-day reminders. Use as a silent alert for meetings or medication schedules. - Rechargeable and waterproof: Designed to be sweat-resistant and splash-proof (IPX5 rating), suitable for daily use including handwashing or rain exposure. The long-lasting rechargeable battery lasts up to 30 days on a full charge. Quickly recharge via the built-in USB port without needing frequent battery replacements. - Easy to use: Simple setup with no Bluetooth or app connection required. Program directly on the device. Power-off memory function retains all alarm settings, so you don’t need to reset after turning off. Compact size 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 charging from power bank) Functions: 1. Body temperature monitoring: Automatically measures body temperature throughout the day. Alerts vibrate if temperature reaches or exceeds 37.3°C. 2. Time and date setting 3. Vibration alarm: Supports up to 6 alarm sets 4. Stopwatch and countdown timer 5. Fully charged battery provides approximately 30 days of use