The boomtube is a premium entertainment speaker which is great for indoor and outdoor use boasting 7w of powerful sound this speaker enables you to wirelessly stream your favourite tracks listen to fm radio and insert a tf card unique and stylish in its design the carry handle allows you to have a booming bass at home and on the go compatible with most wireless devices carry handle for portability 7w power output 4 inch subwoofer 10 metre operating range aux cable included usb charging cable