OS Android 8, CPU Qualcomm Snapdragon 845 Octa Core, max to 2.8GHz, Qualcomm® Hexagon™ 685 DSP AIE, GPU Adreno 630 710MHz, RAM 8GB LPDDR4x, ROM 128GB UFS 2.1, Display Size 6.0 Inch, Type On-Cell capacitive touch screen, 430cd/m² brightness, Resolution 2160*1080 Pixel.
Just check coupons out (with price alert and history). Let’s see what best price is ATM.
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in Hong Kong. There is one coupon available! Pretty cool, huh?
Link: Banggood product page
1. ($513.99): BGM16TH
this code has to be applied in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Price history and price alert
Here is price history (for all/most countries) for Meizu 16th 8/128GB Global. The lowest price was: $389.99.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).