KabelDirekt 3.5mm Male to 2 x 3.5mm Female Audio Headset Y Splitter Adapter Cable - PRO Series Ideal to connect both your external microphone and earphones with your computer / or smartphone. Compatible with any device with a 4-pole 3.5mm connector (for instance iPhones, iPads, iPods and certain computers) 4-pole: Supports functions as Skip, Play and microphone tone. Works with VOIP (voice over IP) in chats and messengers, too. 18 month warranty and friendly customer service