SuperStar BackFloat Waterproof Bluetooth Speaker Yes, the SuperStar BackFloat Waterproof Bluetooth Speaker ($50) floats — perfect for when he's lounging in the pool. The incredible sound can be connected via Bluetooth, so he won't miss any calls while sitting back on holiday. Not planning to be by a pool anytime soon? It's also great for the shower or bath. Image Source: Amazon SuperStar BackFloat Waterproof Bluetooth Speaker $50 from amazon.com Buy Now