The iDNA Music Remote and Handsfree Mobile Stereo Headset controls the music player of your handset and lets you answer calls without fumbling for it.

The IDNA remote control has 5 buttons and a 3.5mm audio connector for headsets. After completing a call the remote switches back automatically to music playback.

The iDNA MRH-200 works with Sony Ericsson K750i, D750i, W800i and W550i.
The iDNA MRH-20N works for Nokia 6111, 6230i, 6270, 6280, 7360 and 7370.
Gagdet Shop Brando sells the IDNA music remote for $45 without ear buds and $48.00 with ear buds. See also the Sony Ericsson HCB-100 Car Speakerphone.