Twin Air Mattress with Pump & USB $15

This Sleeplux Twin Inflatable Air Mattress drops to $14.99 at Woot. Similar air mattresses with built-in pumps go for $30 or more at other stores. This one has an added feature of a built-in USB port. After inflating, leave the air mattress plugged in so you can conveniently charge your device by your side. Shipping is free when you log into your Prime account, or it adds $6 otherwise.