The RockOn Solo lets you enjoy music while at the pool, on a camping trip, or working in the yard. An IPX4 rating seals out splashing water, and it provides shock absorption against any accidental drops. And it's available for just $29.99 right now on Groupon. It's normal price is $79.99, making this 63% off. So it's a pretty good steal right now. You can grab it from the link below.