Features 1、* 1.44-inch large round screen, shows everything clearly with smooth operation. 2、* Monitor your heart rate, blood pressure and blood oxygen all the day, helping you adjust for a healthier lifestyle. 3、* Three motion modes let you exercise more safely and effectively, with recording of your daily steps, distance and calories. 4、* Can be used for 3-5 days after a single full charge via USB port, easy and convenient. 5、* Feature unique minimalist appearance with stylish macaron color, seven colors optional. 6、* Ultra-light body weighing only 29g, makes it flexible and comfortable to wear. 7、* More functions: message reminder, music control, weather, find phone, remote camera, etc. Specification Features: * 1.44-inch large round screen, shows everything clearly with smooth operation. * Monitor your heart rate, blood pressure and blood oxygen all the day, helping you adjust for a healthier lifestyle. * Three motion modes let you exercise more safely and effectively, with recording of your daily steps, distance and calories. * Can be used for 3-5 days after a single full charge via USB port, easy and convenient. * Feature unique minimalist appearance with stylish macaron color, seven colors optional. * Ultra-light body weighing only 29g, makes it flexible and comfortable to wear. * More functions: message reminder, music control, weather, find phone, remote camera, etc. Specifications: Model: D18PRO Material: Plastics+TPU Color: Black / White / Pink / Yellow / Blue / Green / Dark Blue (Optional) BT Version: 4.0 Compatibility: Android 5.0 and above, or iOS 9.0 and above Screen: 1.44" Single-touch Screen Resolution: 240 * 240px Battery Capacity: 3.7V / 90mAh Standby Time: 3-5 days App: Fit-here Charging Way: USB Charging Dial Diameter: 47mm Item Weight: 29g / 1.02oz Package Size: 9.7 * 9.7 * 3.1cm / 3.82 * 3.82 * 1.22in Package Weight: 41g / 1.45oz Note: * Please read the user manual carefully before using this product. * The watch is NOT suitable for bathing, swimming or diving. * There may be 1-3mm error due to manual measurement. * There may be slight difference in color due to shooting angle and light. Please refer to the real object. Package List: 1 * Smart Bracelet 1 * User Manual Package List 1 * Smart Bracelet 1 * User Manual