When it comes to xiaomi they are always innovative and make products more budget friendly and durable. I am using xiaomi vr headset from 2 months and it feels so light, smooth, attractive and durable because of its chain design which helps in order to have strong build quality. it can do support smartphones upto 6.44 inches so dont worry mi max guys, you can buy this. this is the best buy in 1000 bucks it is durable and you will not regret after putting money on this