Logitech today announced it has added three new headphones to its line-up of iPod and MP3 player accessories. The Logitech Wireless Headphones for MP3 (available this month for US$129.99), the Logitech Identity Headphones for MP3 (available this month for $39.99), and the Logitech Curve Headphones for MP3 (available in August for $29.99). All three headphones work with any iPod or MP3 player.