Razer Hammerhead Pro V2 Analog Gaming & Music In-Ear Headphones Cord Length: 4.27 ft. Part: RZ04-01730100-R3U1 Headphone Frequency Response: 20Hz-20KHz Headphone Input Impedance: 32 ohm +/- 15% Headphone Sensitivity: 102 +/- 3dB at 1 kHz max Weight: 0.04 lb. Microphone Frequency Response: 50Hz-10KHz Microphone Signal to Noise Ratio(SNR): > 55dB