the water, no problem. this is a good sound out of this, monster superstar back float speaker. goes for 170 bucks. blue tooth. connected to my iphone right now. access to any smart phone. really gets great sound out of this, right? it will sort of come back to life. >> that's $170. >> $170 for that. floats in the pool nrkts bathtub. smart thing right now is to be safe with your kids. this is called the munch kin. a little toy that you can use to your existing tub. on the bottom is the trick here. this is the technology. right now it's cold water. it's cold right here. it's blue. >> if the water is too hot this would switch to a white dot. >> with the word hot. >> when it's blue -- >> it's good for. >> you good for you, exactly.