1. Suitable for USB interface computers and notebook devices. 2. The large skin-friendly earmuffs are breathable and not stuffy, soft and comfortable to wear. 3. Thickened high-quality copper wire, faster transmission, plus a tensile protective layer, easy to clean. 4. 360 omnidirectional noise-cancelling microphone, retractable hose microphone, 360 degree free rotation. 5. Speaker size: 50mm
