Ultimate Ears, a business unit of Logitech (http://www.logitech.com) has unveiled a line of new earphones — the Ultimate Ears 500 Noise-Isolating Earphones, the Ultimate Ears 350 Noise-Isolating Earphones and the Ultimate Ears 200 Noise-Isolating Earphones. They have a retail price of US$69.99, $49.99 and $29.99, respectively.

For mobile phone users, Ultimate Ears also introduced two headsets that are compatible with the iPhone, Blackberry and other phones with a 3.5mm headphone jack — the Ultimate Ears 500vi Noise-Isolating Headset and Ultimate Ears 200vi Noise-Isolating Headset. They are $79.99 and $39.99, respectively.