Bose - SoundLink Micro Portable Bluetooth Speaker - Black
This Bose SoundLink Micro Portable Bluetooth speaker delivers great sound for a speaker of this size. Its rugged design and durable strap let you take it everywhere you go. It's waterproof from the inside out, so even if it falls in the pool, just pull it out and keep on playing.
Just 3.87 inches tall by 3.87 wide and 1.37 inches in depth it's easy to take this speaker anywhere.