Stereo universal speaker with top blue LED light. Compatible with all IPods and MP3 players. Features retractable 3.5 pin for iPod Nano. Features: attached 3.5mm cable for connecting all other iPods and MP3 players. AM/FM tuner manual radio system - Output power: Bass 2.2w (THD3%) + high 14mw x 2 (THD 3%). Frequency response 8Hz-15KHz. Input sensitivity: 5mv. Impendence 4? 2w. Input jack: 3.5mm stereo.