rEvolve Swiveling Portable Chair with iPod Speakers, Black Compact mini amp runs on 2 aa batteries boosting the audio signal from you ipod or mp3 player to the speakers for greater volume and sound clarity Chair is one piece and folds down to fit compactly into the heavy-duty carrying case, features a strong zipper and strap for carrying Revolve unfolds easily; strong, stable base keeps you sitting sturdy and swiveling IPod/audio player pouch, amplifier and connector all included Carbon steel frame and 1000d nylon fabric 300-pound capacity Folding, portable swivel chair with built-in speakers Great for camping, tailgating, soccer games, or just hanging out outdoors Rugged construction with smooth swivel action Built-in mini amp and speakers play audio from iPhones, iPods, and MP3 players Carbon steel frame and 1000d nylon fabric; 300-pound capacity