USB ports have quietly turned into the default power outlet for phones, laptops, headphones, and even monitors, but the wattage behind that familiar rectangle is far from uniform. Depending on the ...

I've got some old cords that have a micro-usb port on one end and a wall plug on the other. These are for charging mobile phones I used to have. Should I toss them or save them for future phones I'll ...

Universal Serial Bus, or USB, is a common connection used in many devices, from smartphones, laptops to everyday gadgets. It allows data transfer, device charging, and even video output. USB ports are ...