PC eager

You use me to send a message to be formal. You can send me using a computer or a phone. What am I?

You do this when you use a computer. It is an action when you use a keyboard. What am I?

You use me when you want to save something. What am I?

You wear me to listen to things. I can connect to a phone, computer, or tablet. What am I?

You use me when you want to send a message. You usually do this action when you use a phone. What am I?

I use a phone. You can see the other person’s face. What am I?