Item Type: WatchHost Material: Stainless Steel + PlasticProduct Size: Approx. 22 x 44mm / 0.9 x 1.7inWeight: Approx. 41g / 1.4ozScreen Size: 0.9in TFT Color ScreenScreen Resolution: 120 x 120Body Memory: 32MBattery Capacity: 90mAh (Built-in Battery)Battery Model: Lithium BatteryBT: 4.0Waterproof Rating: IP67 Life WaterproofSystem Requirements: for Android 5.0 and Above, for IOS 9.0 and AboveCharging Interface: USB 2.0Charging Time: 2-3hWearing Method: Wrist StrapWatch System Language: Chinese, EnglishAPP Supported Languages: Chinese, English, German, Spanish, French, Japanese, Polish, Portuguese, Russian, Korean, Traditional ChineseFunctions: Step Counting, Weather, Music, Sleep Detection, Blood Pressure, Blood Oxygen Monitoring, Alarm Clock, Sedentary Reminder, Information Notification, Mobile Phone Search, Remote Photo Taking, Do Not Disturb Mode, Multiple Sports Data Detection, Including Running, Skipping, Sit-Ups 1Lightweight and easy to wear, full coverage of sports and health, small size of the bracelet, long battery life, various rich and small functions, so you will not put it down. 2TFT color screen, vivid color and brightness can be adjusted, more information can be grasped at any time with one swipe. 3A variety of dials can be freely selected, classic and simple combination, diversified dials, free choice is not restricted. 4Customize the watch face, edit the watch face through the APP custom settings to show a different personality. 5Real?time weather and temperature push, know the weather clearly every day. Satisfy your daily needs.