It is Super portable, the Dynamo is the king deckside or in the pool (H20 Version) for teaching, and versatile enough to use for just about any facility function where small group sound is needed. 30 watts of power with a 6” speaker for small group aquatic exercise classes or other facility small group sound needs. Completely portable -rechargeable battery (with built-in charger) or plug it in and run it from standard AC - take it where you need sound.