Casti cu microfon Razer Nari Ultimat Wireless, Full size; Frequency Response: 20 Hz-20 kHz; Impedance: 32Ω at 1kHz; Sensitivity (@1 kHz): 107 ± 3dB; Connection type: Wireless USB Transceiver/ 3.5mm analog; Wireless range: 12 m/ 40ft, Wireless frequency: 2.4 GHz; Microphone: Frequency response 100 - 6.5 kHz, Signal-to-noise ratio >50 dB, Sensitivity (@1 kHz): -42 ± 3 dB, Unidirectional; Battery life: 8 hours with Razer Chroma lighting and HyperSense / 20 hours without Razer Chroma lighting and HyperSense, Input power: 30 mW (Max);