Klipsch iGroove SXT 30-Pin iPod/iPhone Speaker Dock Klipsch iGroove SXT 30-Pin iPod/iPhone Speaker Dock Compatibility: iPod mini; iPod nano 1G, 2G, 3G, 4G; iPod classic 3G, 4G, 5G, 5.5G, 6G; iPod touch 1G, 2G; iPhone, iPhone 3G, iPhone 3Gs, iphone 4. Plays and quickly recharges the iPod, iPod touch or iPhone. Bi-amplified design and re-tuned bass ports virtually eliminate distortion. Shielded to prevent unwanted noise from cell phone interference. Connect iPod shuffle and other devices via auxiliary input.