Advanced 40mm titanium-coated diaphragm drivers deliver high-quality stereo audio with excellent bass, mid and treble differentiation. Immerse yourself in gaming or delight your ears with music. Premium 9.7mm cardioid microphone transfers your voice clearly to your friends and teammates, ensuring an optimal online (in-game and off-game) chatting experience. 40mm Driver: High-quality Stereo Sound Ultra-thick (35mm) and Extra-Large (100mm) Ear Pads with Memory Foam 9.7mm Retractable Cardioid Microphone Ultra Lightweight Suspended Leatherlike Headband Design Automatic Omni-Directional Adaptive Ear Shells 4 Pole to 3 Pole Adapter for Extra Compatibility Noise Cancellation Technology Braided Cable for Extra Durability Comes with a 4-pole connector that will allow you to use with laptops, phones, tablets and other devices; and an adaptor to separate the audio into two three pole connectors for PC use.