[Stylish Smartwatch] 1.4-inch square screen combines with the round 2.5D curved surface, and 9.2mm ultra thin watch body, making stunning visual experience and elegant looking. [Health Monitor] Equipped with advanced optical sensor, accurately monitor your heart rate, blood pressure, blood oxygen(SpO2) in real time, additionally your sleep status at night. [Activity Tracker] Supports tracking the mainstream sports like walking, running, cycling, basketball, etc. with real-time heart rate and calories consumption showed on your wrist. [IP67 Waterproof] Able to withstand splashes, sweats and rains. All right to wear it for exercises and daily using. [More Features] 28 language packs for the supported App, Notifications reminder, stopwatch, remote shutter, and music control for more convenient use. Screen Size: 1.4 inches Screen Type: TFT Resolution: 240RGB*240 Flash Memory: RAM 64KB, ROM 32MB App: Da Fit BT: BT4.2 Battery Capacity: 170 mAh Charging Time: about 2.5 hrs Play Time: 5~7 days Standby Time: 25 days Compatibility: Compatible with Android 5.1 or later, iOS 8.0 or later