The headphones are designed with portable devices like iPods or iPhones in mind and as such, the remote control will only work with these devices.
The remote and mic are supported only by iPod nano® (4th generation or later), iPod classic® (120 GB, 160 GB), iPod touch® (2nd generation or later), iPhone 3GS® or later, and iPad®.
Source: http://ue.logitech.com/en-nz/product/ue4000#tab-specs