Compatible Systems: Android5.0 above IOS9.0 above
FLASH memory: Built in 16MB
Screen size: 1.71 inch
Resolution: IPS 128*128
Wristband size: Length 226.6mm,Width 21mm
"5 sets of UI menu styles (grid, sky star, nine house grid, list, square), games, language settings, blood oxygen, heart rate, drinking reminder Sports (walking, cycling, running, mountain climbing, indoor running, recording), weather, calendar Sedentary reminder, stopwatch, computer, call record, notification message, Bluetooth music, sleep mode, step counting, remote photography, alarm clock, dial Settings (time setting, profile {do not disturb, ring only, vibration only, vibration and ring, brightness, language setting, password lock, sidebar, restore factory, about this machine), Siri (double click screen wake-up), about, brightness, find mobile phone, dial, contact, blood pressure, restore factory, thermometer, wrist lifting bright screen, APP QR code, breathing, flashlight. Sliding screen: message reminder. Right slide split screen: weather, APP QR code, date, 4 commonly used shortcut menus (step recording, heart rate, sleep reminder, setting). Slide up screen: Bluetooth (one key switch), find mobile phone, step recording, menu style, brightness adjustment, version information. Slide left split screen: switch wallpaper. Side key (above): press once (enter the system), double click (menu style switching), and return key. Side key (below): click (wake up / shut down screen), long press (shut down), and return to the home panel."