The Hosa YMM232 3.5mm Y-Cable Splitter (6''). This cable is designed to duplicate a stereo signal. It is ideal for use as a headphone adaptor, adapting one headphone jack to two headphones.
Cable Type: Stereo mini (1/8"/3.5mm) male to 2 stereo mini female Y-cable
Length: 6" (15 cm)
Shielding: Not specified by manufacturer
Connector 1: 1x mini (3.5mm) male
Connector 2: 2x mini (3.5mm) female