<p>System requirements: Android 4.4 and above, IOS 8.0 and above, support Bluetooth 5.0</p><p>Bluetooth version: BLE 5.0</p><p>Main control chip: Realtek8773EWE-VP</p><p>Memory: Flash 256MB</p><p>Screen resolution: 466*466</p><p>Battery capacity: 730 mAh</p><p>Standby time: about 35 days</p><p>Working hours: about 8-12 days</p><p>Motor: built-in, vibration reminder</p><p>APP name: FitCloudPro</p><p><br/></p><p>Feature</p><p>*1.75-inch AMOLED low-power full-circle screen</p><p><br/></p><p>**Easy to replace the strap, standard 22mm</p><p><br/></p><p>**Massive dial push, custom dial</p><p><br/></p><p>**Bluetooth call/Bluetooth music (ultra-clear sound quality), weather display</p><p><br/></p><p>*Heart rate monitoring, blood pressure monitoring, blood oxygen monitoring, all-day heart rate monitoring</p><p><br/></p><p>**Flashlight, time display, step count, calories, distance, heart rate, blood pressure, blood oxygen, sleep time, power on and off display, stopwatch, multi-sport mode</p><p><br/></p><p>**Sleep monitoring (sleep time, sleep quality)</p><p><br/></p><p>**Incoming call notifications, information reminders, multi-language push, alarm clock reminders, remote photography, sitting reminders</p><p><br/></p><p>**Bracelets support multi-language: English,Chinese,Japanese,German,French,Spanish,Arabic,Russian,Ukrainian,Russian,Portuguese</p><p><br/></p><p>*Large 730mAh battery, ultra-long standby, the screen display is very bright outdoors</p><p><br/></p><p>**Synchronize data to APK/APP</p><p></p>