Vibrating Alarm Clock Watch for Heavy Sleepers, Waterproof Silent Shock Watch with USB Charging,Wearable Vibration Wrist Alarm Silent Vibration Alarm Clock for Students, Sports (Black)

Crafted as a practical wearable vibrating alarm watch ideal for heavy sleepers and students, this black silent vibration watch wakes you via strong built-in vibration instead of noisy beeps, so you can get up punctually without bothering people around you during rest or dorm life.Boasting impressive battery performance, it runs up to 40 days after just one hour of USB fast charging. Compatible with regular power banks and phone chargers via common USB port, it saves frequent charging trouble and suits daily study, sports and outdoor travel perfectly. Equipped with flexible adjustable silicone strap ranging from 4.3" to 6.7" in circumference, the watch fits most wrist sizes snugly and stays comfy for all-day and overnight wear with skin-friendly lightweight construction.Its crisp clear digital screen displays time and date plainly, paired with user-friendly buttons to set multiple vibration alarms, stopwatch and timer quickly. With handy multifunctional design and reliable waterproof performance, this silent shock alarm wristwatch becomes a must-have daily accessory for deep sleepers, athletes and school students.

• Powerful Vibration Wake-Up: Designed specifically as a vibrating alarm clock for heavy sleepers, this wearable device ensures you wake up on time without disturbing others. The strong vibration is a reliable alternative to a loud wake-up alarm, making it the perfect alarm bracelet for deep sleepers who need an extra nudge
• 40-Day Marathon Battery & Universal USB Charging: Engineered for unmatched endurance, this vibrating alarm watch operates up to 40 days on a single 1-hour charge. The built-in high-efficiency battery and smart power management system, paired with a standard USB charging port (compatible with any phone adapter or power bank), eliminate daily charging hassle. Your reliable shock watch alarm clock is always ready for travel, school, and daily life
• Modern & Comfortable Fit: Featuring a sleek silicone strap and a classic buckle (Large: 4.3" to 6.7" circumference), offers a secure, adjustable fit while blending fashion with functionality for all-day comfort and style ​
• Intuitive Operation with Bright, Clear Display: Enjoy effortless time management. The wrist alarm clock vibrating features a bright, easy-to-read digital display showing time and date. Setting multiple silent vibration alarms or using the built-in timer and stopwatch is straightforward with intuitive button controls—designed for hassle-free use right on your wrist
• Comfortable for All-Night Use: Engineered as a comfortable sleep bracelet, this lightweight alarm watch is made from skin-friendly materials, ensuring you can wear it through the night without discomfort. It's a truly wearable alarm clock that you'll forget is even on your wrist until it’s time to get up