HK21 Smartwatch

Model: HK21

category: Smart Watch

Warranty: No Warranty

Price: ৳ 2249


  • 1 Color Black
  • 1 Color Silver

Product Details

Buy HK21 Smartwatch for Android & iOS At Best Price In Bangladesh At Tech Den.

Technical Specification of HK21 Smartwatch:

Brand / Product NameNon Brand
Watch Size48.8mm × 38.5mm × 11mm (Without Heart Rate Base)

36 gm (Without Wristband)

55.4 gm (With Wristband)

Screen/Display Size2.01 Inch
Display TypeAMOLED
Display Resolution (Pixel)240 × 296 pixel
Manual Brightness ControlSupport
Auto Brightness ControlNot Support
Always ON DisplayYes, two screensaver available (Pointer Dial & Digital Clock)
AOD Quality6 out of 10
Max Screen ON Time20 seconds & main screen can remain ON for 5 minutes.
Total Watch Faces100+ Watch Faces
Animated Watch FacesSupport
Customized Watch FacesSupport
Multi TouchFull Touch Screen
Body MaterialMetal
Bottom ShellABS Plastic
Dial ShapeSquare
Number of StrapsOne
Strap/Band MaterialsSilicone
Strap Width22mm
Band DetachableRemovable
Buckle MaterialStainless Steel
Watch ColorBlack, Silver
Band ColorBlack, Silver
Number of ButtonsOne
RAM & MemoryUnmentioned
Memory Card SlotNo
Main Features
Calling Feature
  • Bluetooth Calling Features
  • Make / Answer / Reject Calls From Watch
  • Dial Pad
  • Call History
  • Contact
Calling Quality out of 106 out of 10
Voice AssistantAI Voice Assistant
In Build Voice AssistantNo
Medicated Features
  • Heart 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%
  • Optical 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 Sugar
Activity TrackingSteps Tracker, Calorie Tracker, Activity Tracker
Sports ModesMulti-Sports Modes
Auto Detects SportsNo
NotificationCall, Text & Apps reminder
LanguageEnglish (Default)
Bangla LanguageNo
Waterproof Level/GradeIP67
Water Resistance ATMNo
Battery Capacity260mAh
Battery TypeLithium Polymer Battery
Charging Method2-Pin Magnetic Charging
Charging TimeApprox. 2 Hours
Battery 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.
Bluetooth VersionBluetooth 5.3
Compatible OSAndroid 5.0 and above or iOS 11.0 and above
AppsCo-Fit App
Cellular NetworkNo
SIM CardNo
Warranty DetailsNo Warranty
Additional Info
Target AudienceMen & Women
Country of OriginChina
Made in/AssembleChina
What in the box
  • 1 × Smartwatch
  • 1 × Silicon Strap
  • 1 × Charging Cable
  • 1 × User Manual

Tech Den is one of the best gadget shops in Bangladesh and offers HK21 Smartwatch at the best price which is very budget-friendly. Hope you are a smartwatch lover and now you are in the right place at Tech Den to buy your best choice. Place your Order and get cash on delivery or visit our display outlet to grab your best smartwatch directly. Follow us on Facebook for regular updates and Subscribe to our YouTube channel for reviews.

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Buy the HK21 Smartwatch and enjoy the best quality smartwatch.

Thanks for happy shopping with Tech Den.

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