Logitech Rechargeable speaker S315i for iPod for $97 + free shipping Logitech offers its Logitech Rechargeable speaker S315i for iPod, model no. 984-000083, for $129.99. Apply coupon code "logi_s315i_1149" and it falls to $97.49. With free shipping, that's the lowest total price we could find by $12. This speaker system supports all iPhone and iPod models via dock connectors, as well as other mp3 players via a 3.5mm jack. It features up to 20 hours of music playback. Coupon ends November 6.