RGB streamer light effect, Ambilight color, the LOGO on the side and the surroundings are all RGB backlight, and the color lights flow freely. Skin-friendly all-inclusive earmuffs, comfortable and sound insulation, long-wearing without pressure, the all-inclusive design is excellent in sound insulation. The retractable headband is comfortable to wear, ensuring that it can adapt to a variety of head sizes, supplemented by soft cotton, to extend the comfort experience. Lightweight and stylish body, with a net weight of about 352g, and a light structure without head pressure. The use of high-end cables is resistant to pulling and violence, making the headphones more durable while having pure and good sound quality. RGB streamer light effect Frequency response range:20Hz – 20kHz Speaker diameter: ∅50mm -Input power: 20mW Input impedance: 21 ± 15% Ω Output impedance: 2200 Ω Speaker sensitivity: 112 ± 3dB Microphone sensitivity: -42 ± 3dB Connection: 3.5mm+USB Cable length: 2.1M Product size: 180x95x210mm