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Mobile Phones & Gadgets

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What is the aperture of optics and what does it affect?
Aperture, aperture, maximum relative aperture - in simple words about the main thing
How to Properly Store Charging Stations, Power Banks, Batteries, and Generators
Compliance with storage rules will help extend the life of backup power equipment.
Guide to key Xiaomi sub-brands
The Chinese corporation Xiaomi operates over two hundred subsidiaries.
How to choose a memory card
Tips on choosing memory cards for smartphones, cameras, video recorders, action cameras and other digital equipment
What Is Screen PWM and How Does It Affect Your Eyesight?
Let's figure out what PWM technology is, why it is needed, and how to protect your eyesight from flickering screens.
Camera or camera phone: how to determine what is best for you
When is it better to buy an advanced camera phone, and when is it better to buy a camera?
What to give a boyfriend?
Optimal and universal gifts for a boyfriend depending on his hobbies and desires