UGREEN 3.5mm Audio Stereo Y Splitter Extension Cable 3.5mm Male to 2 Port 3.5mm Female for Earphone, Headset Splitter Adapter, Compatible for iPhone, Samsung, LG, Tablets, MP3 players, Metal Black FUNCTION: Ugreen 3.5mm audio splitter Y extension cable 20cm connects most devices with 3.5mm auxiliary port (AUX), like MP3 player, smartphone, tablet, computer etc, to two headphones or speakers, which is a great solution to share cool music, movies and games with your families and friends. METAL HOUSING: This 3.5mm audio splitter extension cable is equipped with premium metal housing, which is different from the normal PVC connector in market. 24K GOLD PLATED TERMINALS: Gold plated connector terminals resist corrosion and ensure optimum sound quality. MATERIAL: Bare copper conductors ensure the good performance while audio transfer. The strain-relief rings near the connector makes the connector more stable and flexible. LIFETIME WARRANTY: Any product from Ugreen enjoy a lifetime warranty, welcome to contact us. Important Notes: If you use TRRS headphones (4-conductor) with this extension cable, the audio will work but the Mic won't.It also does NOT work with the inline volume control on the headphone.