The K3003 earphones (without remote control) are compatible with all audio devices. The K3003i earphones (with remote control) are designed for use with iPhone devices and other Apple products.
The microphone is supported by BlackBerry® devices. Other mobile devices might require an adapter.
| iPod nano* | yes | yes | yes |
| iPod classic* | yes | yes | yes |
| iPod touch* | yes | yes | yes |
| iPod shuffle* | yes | – | yes |
| iPhone 3GS, 4 | yes | yes | yes |
| iPad | yes | yes | yes |
| Other devices | – | – | yes |
* iPod nano (4th generation and later) software version 1.0.3
* iPod classic (120GB) software version 2.0.1
* iPod touch (2nd generation and later) software version 2.2 or later
* iPod shuffle (3rd generation and later) just remote-functions