SPECIFICATIONSActivity Tracked: Other,Steps Tracker,Calorie Tracker,Activity TrackerApplication Age Group: AdultBand Detachable: YesBand Material: Silica GelBand width[mm]: 22 mmBattery Capacity(mAh): 220-300mahBattery Detachable: NoBattery Life: 3 daysBluetooth-compatible Version: 5.0Brand Name: Ola EsporteCPU Manufacturer: MediaTekCase Material: AlloyCategory: Smart WatchesCertification: CE,FCC,RoHS,weeeChoice: yesCompatibility: All CompatibleDisplay Size: 1.44/2.01 inchFunction: Passometer,fitness tracker,sleep tracker,Message Reminder,Call Reminder,Answer Call,Dial Call,Remote control,Push Message,Chronograph,Alarm Clock,World Time,Power Reserve,GMT Two Places,Perspective Window,week,Speed Measurement,Heart Rate Tracker,Interactive Music,Noctilucent,Calendar,Countdown,Calculators,OxymeterGPS: YesHigh-concerned chemical: noneLanguage: English,Russian,Spanish,Polish,Portuguese,Turkish,Italian,French,German,Hebrew,Dutch,Arabic,IndonesianMechanism: YesMetrics measured: Heart Rate Monitor,Other,Blood Oxygen Monitor,Sleep Monitor,Blood Pressure MonitorMovement Type: ElectronicMultiple Dials: YesNetwork Mode: NoneOrigin: Mainland ChinaRAM: <128MBROM: <128MBRear Camera: NoneResolution: 240*296SIM Card Available: NoScreen Material: LCDScreen Shape: SQUAREStyle: OutdoorSystem: Android Wear,Proprietary OS,Android OS,iOS,Wear OS,Color OS,HarmonyOS,FreeRTOS,Wacth OS,Zepp OS,DuWear,Tizen OSTouch Screen: YesType: On WristVoice assistant built-in: YesWIFI: noWaterproof Grade: Life WaterproofParameterDisplay: 1.44/2.01-inch HDTouch TP: full screen touchWorking time: 3 daysStandby time: about 7 daysBluetooth: BLE5.2System support: Android 5.0 or above, IOS 9.0 or above.FunctionsOne key connection, multiple exercise modes, sleep detection, pedometer, heart rate, blood pressure, blood oxygen, message notification, dialing bluetooth call, bluetooth music, weather, calculator, alarm clock, sedentary reminder, stopwatch, photo taking, voice assistant, find cell phone, racing game, flashlight, calendar, contacts, drinking interval reminder, restart, shutdown, language setting, style setting, APP QR code, Bedside lamp mode, Do not disturb mode, Time and date setting, Sound and touch settings, Restore factory settings.Watch LanguagesEnglish, Chinese, Italian, Portuguese, Polish, Spanish, French, Greek, Hungarian, Czech, Russian, Turkish, Dutch, German, Vietnamese, Indonesian, Malay, Hebrew, Swedish, Finnish, Ukrainian, Thai, Farsi, Arabic.