【Rare Item】 RAZER Wireless Gaming Headset Thresher 7.1 RZ04-02230100-R3M1 This is a rare, "new and unopened" item. Returns are not accepted to prevent product substitution. Please refrain from price negotiations as I am not considering lowering the price. Thank you. ============================================= Wireless Frequency Band: 2.4 GHz Dolby Headphone Technology Wireless Operating Range: 12m / 40ft Frequency Response: 12 ~28,000 Hz Impedance: 32Ω @ 1kHz (including Ohm symbol) Drivers: 50 mm, with neodymium magnets Estimated Battery Life: 16 hours Charging Time: 4 hours Microphone Frequency Response: 100 - 10,000 Hz Sensitivity (1kHz, 1V/Pa): -38 ± 3 dB S/N Ratio: >55 dB Pick-up Pattern: Unidirectional ※1 Connection to PlayStation 4 is only supported for models equipped with an optical digital output terminal. ※2 To use 7.1 surround sound on PlayStation 5, an optical digital output terminal is required on your TV or monitor.