Our smartwatch can track and analyze your sleep quality. You can understand your health and make reasonable adjustment. And, it also has the function of pedometer. Touch control, easy to use. Equipped with a 1.44-inch large screen, our smartwatch brings you more convenience to observe the time. With an ergonomic strap, this product is comfortable to wear. It is constructed of silicone material. Our sports smartwatch supports TF card. The length of this product is 25cm. This product is perfectly suitable for kids, children, toddler, etc. Item Name: Smartwatch Material: Silicone Expanded Memory: Supports 32GB TF Card Display Screen: 1.44-inch LCD Call Function: Supports GSM850/900/1800/1900 Quad-band Calls Features: Ultralight, Smart, Stylish Battery Capacity: 350mAh Size Details: Length: 25cm/9.84" (Approx.) Notes: 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. Package Includes: 1 x Smartwatch 1 x Charging Cable 1 x Instruction Manual