Gentle Vibration Wake UpFitsleeps alarm clock watch uses silent wrist vibrations (no sound) to wake you peacefully ideal for light sleepers, partners, or shared spaces. Snooze Free Smart AlarmMotion based vibrations wake up your brain faster than an audible alarm, helping you wake up early. Adjustable Comfort FitFitsleeps wake up alarm use soft silicone strap fits wrists 14.7~20.7cm lightweight and breathable for all night wear. Simple USB RechargeableFitsleeps alarm clock watch long battery life (up to 5 days per charge) with included USB cable no batteries needed. Versatile for All LifestylesPerfect for travelers, office workers, and home use its compact design fits easily in luggage, work bags, or on nightstands for reliable silent alarms anywhere. Specification: Name: Fitsleeps Alarm Clock Watch Color: Black, White, Blue, Pink, Rose red Suitable For Wrist Circumference: 14.7~20.7cm Watch Weight: 16g Movement Type: Electronic Movement Battery Capacity: 50 Mah Lithium Battery Package List: 1pcs * Fitsleeps Alarm Clock Watch Note: -- There may be slight differences in dimensions due to manual measurements. We kindly ask for your understanding regarding this -- The actual color of the product may appear slightly different from the images due to variations in monitor settings and lighting conditions. We appreciate your understanding Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin