1.Lets Share Favorite Tune: 3.5 mm audio splitter converts a single 3.5mm jack into 2, allowing 2 people to listen to audio through individual headphones from the same source. This 2-way 3.5mm Stereo Splitter cable, which is compatible with most Cell Phones, MP3 players, tablets and other devices with an auxiliary jack. 2.Superb Performance: This 2-way splitter is compatible with 3.5mm headphone jacks, and work with a wide variety of devices. Allowing you to connect Mic-Built-in headphone, and external 4-POLE TRRS microphone (NOT 3-pole TRS microphone) to Laptop, Tablet, PC computer or Smartphone into the 4-POLE 3.5mm jack at the same time. Note: Donot Support IOS Headphones for Mic Function. 3.Focus On Pure Essentials: The 3.5 mm audio y splitter cable , triple shielding jacket, strong nylon-braided exterior, secure-fit design, pure metal housing, and oxygen-free copper wiring, to present the quality of 3.5mm Audio Splitter Audio Cable 4.Strong Braided Exterior: Headphone jack splitter createed with a durable design. Its our first time to use fishing-wire-kind materials braiding with audio cables for maximum protection. Crystal-like appearance, anti-slip grab design, yet gentle touch feeling. The jack itself has additional insulation which helps in the durability of the product during multiple plug-in and plug-out maneuvers and keeps the interference from other electrical devices in the car to minimum delivering best.