AuraVR Pro VR Headset is made from finest quality plastic making it more durable and light in weight. This design is a successful result of indepth research, industry experience and customer feedbacks. It is inspired from Google Cardboard, Oculus Rift & Gear VR. It can support smart phones with varied sizes ranging from 3.5-6 and can be used with spectacles.I have used it with Lenovo K5 Note it gives an awesome results it's 42 MM resin lens is very good for it it is plastic coated it supports all gyro enabled android and iOS devices ot also has bluetooth support that commonly not found on other virtual reality headsets.