They pay close attention to the brand of your laptop, they didn't let me in twice, because my trousers were somewhat short for them, but they were OK when I've added a Macbook to that.
Although they cook tasty food, I strongly discourage visiting this place, because managers are mostly unfriendly morons which tend to lie that "place is reserved".
Once I left my credit card in Tsakhkadzor Jazzve, back to Yerevan, they refused to contact or give contacts of the branch, I had to find it from Spyur. Though I was spending hell lot of money on them.