The Speaqua Barnacle + Waterproof Portable Speaker is the premiere waterproof Bluetooth speaker born from the deep depth of the sea. It's built to accompany the adventurer, withstand the elements, and enhance your stoke. In addition to its shock resistant durability, the Barnacle is fully dust/sandproof. Dunk this speaker under a wave, toss it in the sand, or float it down the river, The Barnacle can hang. This unique sea creature has a 4GB built-in flash drive with the capability to store up to 1000 songs.