6 Complete the presentation with the phrases in the box. advantage is another advantage as you can first of all let me 'll agree talk to worth mentioning 4 5 I'd like to you about this solar phone charger.2 start by showing you how it works. 3 you attach the small solar panel to your backpack. When it's sunny, it'll charge your phone. 4 see, it's very light and portable. is that it's tough and won't break easily, which is important when you're outdoors. that it has a five-year guarantee. Finally, one big that you can use it with any mobile phone. I think you that for only €42, it's really good value.