Specification: Model HS-30 Brand A4 Tech Headset Type Regular Connectivity Wired Technical Information Frequency Range 20 Hz-20 kHz Impedance 32 Ohm Sensitivity 102 dB Rechargeable Battery No Microphone Sensitivity -50 dB Physical Information Color Black Cable Length 2 m Warranty 01 Year Warranty Description: Speaker: 40 mm Frequency range: 20 Hz-20 kHz Impedance: 32 Ohm Sensitivity: 102 dB Cable length: 2 m 01-year Warranty
