About this itemRECOMMENDED PC REQUIREMENT - OS: Windows 7 SP1, Windows 8.1, Windows 10; GPU: Compatible for NVIDIA GTX 960 / Compatible for AMD R9 290 equivalent or higher; CPU: Compatible for Intel i5-4590 Compatible for AMD FX 8350 equivalent or higher; RAM: 4GB or more; Video Output: HDMI 1.4B; USB Ports: 1xUSB 2.0 / 3.0 EYESIGHT PRTECTION -- Prevents your eyesight from the harm of blue-ray. Self-adaptionEYESIGHT PRTECTION -- Prevents your eyesight from the harm of blue-ray. Self-adaption 58-71mm Pupil Distance, and support myopic users under 500 degree without wearing glasses.ERGONOMIC DESIGN -- 290g of bare metal VR, 1000Hz dual gyroscope, 18ms MTP(Motion To Photons), 110 degree FOV(Field Of View), dual 53mm large aspherical optical lens, greatly reduce the dizzy sensation. And unique design detachable 3.5mm jack headphones, 40mm driver unit, with stereo sound stage virtual 5.1 sound track, bring you into an immersive sound environment.You can rest assured that we are working hard.The pursuit of customer satisfaction is our greatest responsibility.With considerate service, win the trust and satisfaction of our customers.