Complete the dialogue with words in the box.

Grandad: I want to buy a ¹smartphone.

Rebecca: Do you know anything about them, Grandad?

Grandad: Yes, I do. I know they have ²touch screens, not buttons, and you can download ³apps.

Rebecca: Yes, that's right. You can also download different ⁴ringtones for different people.

Grandad: Can I get those from the Internet?

Rebecca: Yes. Now look at my phone. It has a very good ⁵battery. It lasts ten hours.

Grandad: That's good. Do I need to buy a ⁶portable charger too?

Rebecca: No. It comes with the phone.

Grandad: Thanks, Rebecca.