NEW RCA to Stereo Y-Cable, 2 x RCA Male / 1 x 3.5mm Stereo Female, 6 inch (Audio / Video Products)
PROS:  Works great.<br /><br />CONS:  None<br /><br />Use:  XBOX Dongle pluggeed into this then into a 3.5 mm splitter.  2 3.5 mm headsets for playing games late at night, while others sleep.