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GeneralBrand / Product NameNon BrandModelHK21Watch Size48.8mm × 38.5mm × 11mm (Without Heart Rate Base)Weight36 gm (Without Wristband)
55.4 gm (With Wristband)
- DisplayScreen/Display Size2.01 InchDisplay TypeAMOLEDDisplay Resolution (Pixel)240 × 296 pixelManual Brightness ControlSupportAuto Brightness ControlNot SupportAlways ON DisplayYes, two screensaver available (Pointer Dial & Digital Clock)AOD Quality6 out of 10Max Screen ON Time20 seconds & main screen can remain ON for 5 minutes.Total Watch Faces100+ Watch FacesAnimated Watch FacesSupportCustomized Watch FacesSupportMulti TouchFull Touch ScreenDesignBody MaterialMetalBottom ShellABS PlasticDial ShapeSquareNumber of StrapsOneStrap/Band MaterialsSiliconeStrap Width22mmBand DetachableRemovableBuckle MaterialStainless SteelWatch ColorBlack, SilverBand ColorBlack, SilverNumber of ButtonsOnePerformanceChip/CPU/ProcessorUnmentionedRAM & MemoryUnmentionedMemory Card SlotNoSpeakerYesMicrophoneYesVibratorYesMain FeaturesCalling FeatureBluetooth Calling Features
- Make / Answer / Reject Calls From Watch
- Dial Pad
- Call History
- Contact
- Calling Quality out of 106 out of 10Voice AssistantAI Voice AssistantIn Build Voice AssistantNoMedicated FeaturesHeart Rate Monitoring
- Blood Oxygen Saturation Monitoring
- Blood Pressure Measurement
- Sleep Tracking
- Stress Level Tracking
- Sedentary Reminder
- Breathing Exercise
- Heart-Rate Sensor Accuracy90%SpO2 Accuracy90%Step Counting Accuracy90%SensorsOptical Heart Rate Sensor
- Oximeter
- Proximity Sensor
- Accelerometer Sensor
- Other FeaturesWeather, Music Control, Camera Control, Stopwatch, Timer, Calculator, Alarm Clock, World Clock, Find Phone, Mini Games, Stock Market, Blood SugarActivity TrackingSteps Tracker, Calorie Tracker, Activity TrackerSports ModesMulti-Sports ModesAuto Detects SportsNoCompassNoNotificationCall, Text & Apps reminderLanguageEnglish (Default)Bangla LanguageNoWaterproof Level/GradeIP67Water Resistance ATMNoDust-proofYesShockproofYesPowerBattery Capacity260mAhBattery TypeLithium Polymer BatteryCharging Method2-Pin Magnetic ChargingCharging TimeApprox. 2 HoursBattery LifeNormal Mode: Up to 3 days (Depends on use)Heavy Mode: 1 – 2 days (Depends on use)NoteMust use 5V = 500mA or 5W low power adapter for longevity.ConnectivityBluetooth VersionBluetooth 5.3Wi-FiNoNFCNoCompatible OSAndroid 5.0 and above or iOS 11.0 and aboveAppsCo-Fit AppCellular NetworkNoSIM CardNoPositioningGPSNoWarrantyWarranty DetailsNo WarrantyAdditional InfoTarget AudienceMen & WomenCountry of OriginChinaMade in/AssembleChinaWhat in the box1 × Smartwatch
- 1 × Silicon Strap
- 1 × Charging Cable
- 1 × User Manual
