Features: Scientific sleeping,Record your complete sleeping. Heart rate change,real-time grasp. Multiple mainstream sports modes. Unique Design: Ergonomic design, soft and comfortable wristband, a variety of colors to match, perfect for your daily wearing accessories. Suitable Occasions: Suitable for outdoor or indoor activities or daily sports such as running, climbing, dancing, hiking, cycling and more. Multiple Occasions: This multifunctional watch can be worn on any occasion, whether it is business, leisure, indoor and outdoor activities or daily. After-sale Service: If you have any questions, please feel free to contact us and we will give you a satisfactory reply. Notice: Actual color may be slightly different from the image due to different monitor and light effect Please allow 1-3cm deviation due to manual measurement Description: Product size: 4.3*3.7*1cm Material: Silicone + Alloy Color: pink, blue, black, gold, silver gray