Wired computer headset - Multifunctional wired controller - Comfort Earpads - Call clarity - 3.5mm or usb connection - Built in noise reduction sound card Specs: Speaker diameter: 30mm Impedance: 32 ohm Frequency range: 20-20khz Works with common calling applications across almost all platforms and operating systems الماركة ماركة أخرى الحالة مستعمل