So you can listen to music the way it’s meant to be heard, today Logitech (SIX: LOGN) (Nasdaq: LOGI) announced additions to its MetroFi line of Ultimate Ears by Logitech® earphones. The new MetroFi 170 and MetroFi 220 noise-isolating earphones deliver customized comfort that’s perfect for listening to music on an iPod®.