3.5mm 1 Male to 2 Female Audio Y Splitter Cable AUX Cable Headphone Headset Earphone Adapter For Mobile Phone MP3. Connects smartphone, laptop, MP3 player, or tablet to car stereo, portable speakers or amplifier 3.5mm Male-to-male stereo audio cable transmits audio in stereo format Works with any device equipped with standard 3.5mm audio jack or AUX-in port Durable High stability What's in the box 1 x Splitter Cable • Without retail packaging