The Ins and Outs of PC Audio Jack Colors. In many cards, the microphone connector will be pink, the line out or headphone will. be lime green, and the stereo line in will be light blue. Additional jacks may be present. on newer soundcards for rear and mid surround speakers. There is a widely accepted color standard for computer sound card input and output.
If one of the key features of Wi-Fi calling is that you can start/receive a call while on Wi-Fi and it will hand off to the cell network in a seamless fashion, that might not be true for some iPhone 5 users on T-Mobile.
Here's how to connect to a Wi-Fi network on your iPhone or iPod touch. (It's also similar on iPad though the Settings app looks a little different.). 1  Launch Settings and make sure that Wi-Fi is turned on. 2  Check the available networks that appear under: Choose a Network. 3  Tap network you would like to join.