Product Type Headset Availability  Same Day Delivery Model A4tech HS-8i – Stereo Headset Connectivity 3.5mm Other Detail Speaker Unit: 40 mm Frequency Response: 20 Hz – 20 KHz Sensitivity: 100 db Impedance: 32 ohm Microphone Frequency Response: 100 Hz -10 KHz Sensitivity : – 44 dB Cable Material: Tangle-Free Cable Cable Length: 180 cm Manufacturer Link Additional Information Warranty Check Color Black