Behringer INUke Boom Junior Indicators: Standby LED indicator, Line-In LED indicator, Aux LED indicator, iPod LED indicator Connectivity: iPod dock, Line In, Aux In (stereo RCA connectors), Video Out (video) Compatibility: iPhone 4 / 4S / 3GS / 3G, iPod Touch / Nano / Classic (5th Generation), iPad 1 / 2 / The New iPad, and any Android phone or music player with 1/8 (3.5mm) headphone output Batteries (remote control): 1 x CR2025 (included) Speakers: tweeter (2 x 1), midrange speaker (2 x 3), woofer (1 x 5.25)