![]() ![]() Why Bluetooth, WiFi, and sometimes 3G/4G/5G? Why can’t we choose one?Ī lot of you might be curious. 3G/4G/5G – to connect the phone to countless services via the “Internet”. ![]() WiFi – to connect the phone and the laptop to the outside world called the “Internet”.Bluetooth – to connect the smartwatch and the wireless headphones to the phone.The devices need different technology for different communication purposes. Writing is my habit and these items help me write smoothly. Besides my laptop connecting to WiFi, I also had my phone beside me, my smartwatch on the left wrist, wireless headphones on my ears. ![]() I was sitting at my desk writing this article. ![]()
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