CHARGE & POWER ON

Attach the magnetic charging cable to the watch’s metal contacts until the charging icon appears. For best battery health, top up when power is low. NK20 Pro combines core smart features in a single, light-weight device.

MOBILE APP DOWNLOAD

Scan the QR code below to download and install the companion app for iOS and Android.

FUNCTION INTRODUCTION

Smart Made Simple

NK20 Pro – Versatile Smartwatch

At QubitTime, we focus on practical innovation. NK20 Pro brings everyday health tracking and essential connectivity to your wrist in a budget-friendly OEM design.
Enjoy magnetic charging, Bluetooth calling, multi-sport modes and real-time app alerts—all in a slim 1.72-inch display that lasts up to a week on typical use.
Learn More

NK20 PRO (Key Knob / Bluetooth Call) Specifications
Category Specification
Product Colour Options Black, Pink, Silver, White
Included in Box 20 mm Silicone Strap, Clip-on Magnetic Charging Cable
Main Chip RTL8762D + JLSN333 (Bluetooth Call)
Memory 64 MB
G-Sensor Yes
Heart-Rate Sensor Yes
Display 1.72″ TFT, 240 × 280 px
Controls Multi-touch Screen & Side Knob
Battery Polymer, 180 mAh
Charging Input 5 V ≤ 1 A
Charging Method Clip-on Magnetic Cable
Speaker AAC 1508
Vibration Motor Flat Motor
Typical Battery Life Up to 7 days (usage-dependent), 10 days standby
Bluetooth Version Bluetooth 5.0
Languages on Watch English, SC, Dutch, Russian, French, German, Portuguese, Spanish, Turkish, Polish, Malay, Czech, Slovak, Filipino, Indonesian, Ukrainian, Vietnamese, Italian
App Languages English, SC, TC, Dutch, Russian, French, German, Portuguese, Spanish, Turkish, Japanese, Polish, Arabic, Malay, Thai, Czech, Slovak, Filipino, Indonesian, Ukrainian, Vietnamese, Italian, Hindi
Phone Compatibility iOS 9.0 + / Android 5.0 +
Social App Alerts WeChat, QQ, Facebook, Twitter, Line, WhatsApp, Instagram
Core Functions Steps, Distance, Calories, Heart-Rate/Blood-Pressure/Oxygen Monitor, Bluetooth Call & Music, Sleep Tracking, Notifications, Alarms, Sedentary Reminder, Sports Modes, Wrist-raise Wake, Find Phone/Watch, Remote Camera, DND, Custom Dials
Weight & Packaging Watch + Strap 125 g; Box 8.7 × 8.7 × 4.65 cm; Master Carton 100 pcs

Frequently Asked Questions
and Trouble Shooting

Fail to start the watch

Maybe the battery level is too low. Please charge the battery timely

The blueteeth is not connected or cannot be connected

  1. The blueteeth is not connected or cannot be connected
  2. Please restart the mobile phone blueteeth and connect again
  3. Do not connect your mobile phone to other blueteeth device at the same time 

The measurement of heart rate/blood oxygen is inaccurate

  1. General, it is caused by poor contact between the watch sensor and human body
  2. Please ensure that the sensor contacts the wrist well during measurement
  3. Please keep your body still and the watch attached to your wrist tightly during measurement

Sleep data is not accurate enough

  1. Sleep monitoring simulates the status of natural sleep and getting up of human, and you should wear it as usual
  2. If you sleep too late or you do not wear the watch until you go to sleep, there may be some error
  3. It does not monitor the sleep data during daytime. The default time for sleep monitoring is from 9:30 in the evening to 12:00 at noon on the next day

For more frequently asked questions, please view
[My>FAQ] on the App