LARGE 40MM DRIVER High quality large 40mm drivers provide excellent audio performance across high, medium and low frequencies. Carry Around Everywhere TAKE IT ANYWHERE The lightweight configuration and foldable headband make GH30 a perfect match for your daily audio gadget. Extra Soft Ear Cups Suitable for Any Ear Shape Carefully selected soft touch ear cups help to maintain comfort to your ears after hours of games. The ear cups is easy to separate from GH30 for cleaning. Multiple Compatibility 3.5 mm jack is well compatible with PC, laptop, or other portable devices. Adjust volume or mute microphone function by simply using one hand.