The SoundTouch 300 soundbar offers the best performance, spaciousness and bass of any one-piece soundbar its size. With the Acoustimass 300 wireless bass module. It connects wirelessly to the soundbar and provides a more immersive experience for everything you listen to or watch. The Bose SoundLink Micro Bluetooth speaker delivers unmatched sound for a speaker this size. Its rugged design and durable strap let you take it everywhere you go. Its waterproof from the inside out, so even if it falls in the pool, just pull it out and keep on playing.