(Note: This splitter is for audio output only and does not support microphone function). 𝗖𝗢𝗠𝗣𝗔𝗖𝗧 & 𝗧𝗥𝗔𝗩𝗘𝗟 𝗙𝗥𝗜𝗘𝗡𝗗𝗟𝗬 - The slim profile fits snugly even with most phone cases on, and the lightweight design makes this Headset Splitter incredibly portable.