Features: The headband is adjustable to give you just the perfect fit, suitable for difference head size. High-performance voice omnidirectional capacitive polar microphone for clear communication. Over-the-head Design Stereo Headset, ergonomically designed with soft PU earmuffs and lightweight headband. High precision 30mm Diameter Driver, bring you vivid sound field & sound clarity, letting you receive any detail of sound and experience a realistic game battlefield. You can greatly enjoy various games. You can instantly adjust the volume and mute the microphone. Specifications: Model Number: SY440MV Driver Diameter: 30mm Sensitivity: 105dB 3dB Frequency Range: 20Hz-20KHz Mic Dimension: 6.0 * 5.0mm Mic Sensitivity: -38dB 3dB Directionality: Omnidirectional Input interface: USB single interface/3.5mm Double head interface Optional Cable Length: 3.5mm 3pin(2 plug): 1.6m0.15; USB: 1.8m0.15 Color: Black with green Package Size: 19.4 * 16.8 * 7cm / 7.6 * 6.6 * 2.8in Package Weight: 189g / 6.7oz Package List: 1 * Wired Headset 1 * Manual