It's Monday morning in late July, and if you're not on vacation, you'd almost certainly rather be. So rather than checking email or filing a report, let's think of sandy white beaches and the one gadgets you never leave behind. Whether it's a Kindle for your beach read or some portable speakers for your campsite, we all have a go-to device we never forget to pack. So what's the gadget you never leave at home when you're vacationing?

Image credit: haveseen/Shutterstock