xiaomi mi max 2 or Le Max 2？

My old phone is broken,i want to buy a new phone with large screen,i like to watch movies,so the 2k screen is requested,i prefer the letv le max 2 or xiaomi mi max 2,who can give me some suggestions which phone is better?
Or you have other options?
And also have another question? who knows where can buy it with good price in local? or is it safe to buy from internet online?

I find this two site have good price for them.

Http://www.geekbuying.com/item/LeTV-LeEco-Le-Max-2-X829-4GB-64GB-Smartphone---Gold-376324.html
Http://www.coolibuying.com/xiaomi-mi-max-2-smartphone-4gb64gb-p-396.html

I prefer the xiaomi mi max 2 on coolibuying,for the price is more good,it is only $186,but i never buy from online before,is it safe to pay by paypal? if anything wrong when the package arrive,can i get my money back?