Vibration Alarm Watch, Vibrating Alarms With Countdown Timer, Waterproof Vibration Alarm Reminder Clock, Personal Alarms - High quality: This reminder watch features 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 display provides clear visibility. A thoughtful gift for family, friends, or yourself. - Quiet alarm with strong vibration: Supports up to 6 individual vibration alarms. No daily on/off needed. Silent and strong vibration ensures discreet, reliable reminders for routines such as hydration, medication, exercise, waking up, or scheduled tasks. - Multifunctional: Displays time, date, and day of week. Includes battery level indicator, 6 alarm groups, 12/24-hour format, countdown timer, stopwatch, and ambient temperature measurement. Useful for daily planning and timely personal reminders. - Rechargeable and water resistant: IPX5-rated design resists sweat and light water exposure (e.g., handwashing, rain). Built-in rechargeable battery lasts up to 30 days on a full charge. Charges via integrated USB port—compatible with power banks and standard USB chargers. - Easy to use: No Bluetooth or app required. All settings configured directly on the device. Power-off memory retains all alarm settings. Compact size fits comfortably on wrist and easily slips into a pocket or bag. Material: Silicone + ABS Battery capacity: 75 mAh, 3.7 V Operating temperature: -10°C to 50°C Water resistance rating: IPX5 Charging input: DC 5 V (built-in USB) Functions: 1. Ambient temperature measurement 2. Adjustable time and date display 3. Up to 6 programmable vibration alarms 4. Countdown timer and stopwatch 5. Up to 30 days of operation on a single charge