What is Connectivity?
USB, Wi-Fi, Wi-Fi Direct, mobile app printing.
Short answer
Check the app supports your phone OS version.
Connectivity when buying a printer
USB, Wi-Fi, Wi-Fi Direct, mobile app printing.
Why it matters: Wi-Fi means any family phone can print without a PC.
Look for: Check the app supports your phone OS version.
Full Printer buying guideConnectivity when buying a mechanical keyboard
Wired USB, 2.4GHz dongle, Bluetooth — often all three.
Why it matters: 2.4GHz is near-wired latency for gaming; Bluetooth pairs with tablets and laptops cleanly.
Look for: Bluetooth-only boards add a hint of lag; battery life claims vary wildly.
Full Mechanical Keyboard buying guide