Describe something you can't live without (not a phone). You should say: what it is, what you do with it, how it helps you in your life, and explain why you can't live without it.

One thing other than a phone I can't live without is my headphones. I use them to listen to music, which is a very common use. And I also frequently use them to study in public places while watching YouTube videos, lectures on edX, or various podcasts. It helps me a lot because in public [...]