ONIKUMA K1-B gaming headphones (red) with 50mm transducer, 20Ω impedance, 119dB sensitivity, 20Hz-20kHz frequency response. Features a 6 x 2.7mm microphone with -38dB sensitivity, 2.2KΩ impedance, and omnidirectional directivity. Includes a 2.2m cable, USB and 3.5mm connectors, and LED lighting (DC 5V, ≤100mA).