The BlitzWolf BW-VR2 Smartphone VR is a new type of virtual reality headset, which can provide you with the immersive experience without the external hardware. It is compatible with most smartphones in the market. It has a focal distance adjustment wheel on both sides and an adjustable headband for different head sizes. Also features room scale function, makes you feel like you are inside the virtual world. You will never miss out on exciting moments while watching your favorite movies or playing your favorite games.