Turns a 3.5mm combo headphone/microphone port into two distinct ports - one 3.5mm headphone jack and one 3.5mm microphone port
Allows the use of older audio accessories with many newer computers
Compact design for maximum portability - a great solution to have on hand in your laptop or gadget bag
Can be used with any portable device that uses a 4 position 3.5mm jack, such as iPhone, iPod and iPad devices, etc.