Hãng sản xuất Logitech Phân loại Tai Nghe chụp có Mic Input Impedance 22 Ohms Sensitivity (headphone) 122 dB +/-3 dB Sensitivity (microphone) -44dBV/PA +/- 2.5dB Frequency response (Headset) 20Hz to 20kHz Frequency response (Microphone) 100Hz to 6,500Hz Cord length 1.8 m (5.90 ft) Connection 3.5 mm