Parameter: Screen: 1.43-inch AMOLED low-power full-circle screen Screen resolution: 466*466 Battery capacity: 530 mAh Memory: Flash 256MB app name: FitCloudPro Bluetooth version: BLE 5.0 System requirements: Android 4.4 and above, IOS 8.0 and above, supports Bluetooth 5.0 Function: Massive dial push, customized dial, Bluetooth call/Bluetooth music (super clear sound quality), weather display. Heart rate detection, blood pressure detection, blood oxygen detection, all-day heart rate detection. Time display, step counting, calories, distance, heart rate, blood pressure, blood oxygen, sleep time, power on and off display, stopwatch, multi-sport mode. Sleep monitoring (sleep time, sleep quality), incoming call notification, information reminder, multi-language push, alarm clock reminder, remote photography, sedentary reminder language: Chinese, English, German, Russian, Spanish, Portuguese, French, Japanese, Arabic, Dutch, Italian, Czech, Greek, Hebrew, Indonesian, Malaysian, Polish, Thai, Vieamese, h, Romanian, Turkish , n Packing list: Smart watch*1 Instruction manual*1 Charger*1 Original box*1