Transmitter uses 12V AC/DC adapter (included) or 6 "AAA" Batteries (not included). Speaker uses 12V AC/DC adapter (included) Or 8 "C" batteries (not included). Compatible with all audio devices. Rugged construction. Splash proof design. Rubberized handle. Tweeter. Subwoofer. Acoustic bass chamber. USB charging jack. Rubber feet. Hi-Gloss
