Smart Watch, small and light, simple and fashionable, life waterproof. Designed with a circular area for the wrist, providing more comfortable wear. USB rechargeable watch with built-in rechargeable battery. Built-in 3D acceleration sensor with high sensitivity to detect your movements accurately, enabling a more precise pedometer. Feature - Color: Black - Material: Silicone - Size: 22 x 1.7 x 0.5 - Battery capacity: 50mAh - Waterproof: IP65 - Super lightweight with long battery life: band weighs only a few grams and can last up to one week - 3D acceleration sensor with high sensitivity: capable of capturing small movements, resulting in more accurate step counting - All-day activity tracking: monitor walking distance, calories burned, and stationary time - Time/Date display: touch the button to view time and date; format: time/date - Easy charging: no charging cable required, simply plug directly into a computer or mobile power adapter (ensure correct insertion direction for proper charging) Package list: 1 x Smart Wristband