WATCH CHARGING AND ACTIVATION

Attach the magnetic charging wire to the metal contact of the charging port until the charging indication appears on the watch display. When the watch is low, charge. The device is an all-in-one machine

MOBILE PHONE CLIENT DOWNLOAD

Scan the QR code below to download and install the mobile
phone client

FUNCTION LNTRODUCTION

Professional Repair Technicians

Your Device in Safe Hands

Here at TekhFixers we repair hundreds of devices a month, so rest assured you’re in safe hands sending your devices to us for repair.

TekhFixers are capable of repairing any electronic device on the market now and those manufactured in the last 10 years. We have all the right tools for the job so we can open up your device, repair it and assemble it all back together without ever knowing it had been touched.

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NK20 PRO (key knob/with Bluetooth call) Specification

Category Specification
Product specifications – Colour Black, Pink, Silver, White
Packing 20MM Silicone Strap, Wire Clip Charging Cable
Hardware specifications – Main Chip RTL8762D+JLSN333 (Bluetooth call)
Memory Size 64M
G-sensor YES
Heart Rate Sensor YES
Display Specifications 1.72 TFT Colorful Screen, Resolution 240*280
Button Method Multi-touch screen + Knob button / Off key and function key
Battery Type Polymer Battery
Charging 5.0V Charging, 1A or Below 1A
Charging Method Wire Clip Charging Method
Speaker Type AAC 1508
Motor Type Flat Motor
Other Parameters – Standby Power Consumption 10 days standby, 3-7 days of normal use (Depending on user usage and frequency)
Bluetooth Type Bluetooth 5.0
Font Push Categories Multi-language font
Battery Capacity 180mAH
Bracelet Menu Language English, SC, Netherlands, Russian, French, German, Portuguese, Spanish, Turkish, Polish, Malaysia, Czech, Slovak, Philippines, Indonesia, Ukraine, Vietnam, Italy
APP Languages English, SC, TC, Netherlands, Russian, French, German, Portuguese, Spanish, Turkish, Japanese, Polish, Arabic, Malaysia, Thai, Czech, Slovak, Philippines, Indonesia, Ukraine, Vietnam, Italy, India
Mobile System Requirements iOS 9.0 and above, Android 5.0 and above
Social APP Message Reminder WeChat, QQ, Facebook, Twitter, Line, Whatsapp, Instagram
Basic Function Step, Distance, Calorie, Heart Rate/Blood Pressure/Oxygen, BT call, BT Music, Monitoring, Sleep Monitoring, Call Reminder, SMS Alerts, Social APP Message Reminder, Alarm Clock Reminder, Sedentary Reminder, Sport, Turn the wrist and shine the screen, Looking for bracelets, Looking for Phones, Remote Photography, Do Not Disturb, Dial Customization
Weight / Packaging Bracelet + Silicone Strap: 125g, Packing Box Size: Tiandi Box 8.7*8.7*4.65cm, Standard Box 100PCS

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