Interpupillary distance: eyebox=10mm adaptive without adjustment, Virtual image distance: 7 meters, Button: 2D/3D switch button (this button does not work in Standard version), Screen refresh rate: 60Hz, Focus adjustment: support 0–700-degree adjustment, Signal input: DP signal, Interface: Type-C standard interface, Hood: sponge mask / magnetic method, Screen PPI: 1058PPI, Power: 5V/500mA, Size: Lengthx widthx height 164x 57.73x 195.09mm/6.46x 2.27x 7.68 inch, Screen resolution: 1600-1600, Cable specifications: support rates above 5.4Gbps.
Just check coupons out (with price alert and history). Best price?
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 and price update (UTC):
Banggood
Banggood warehouse is located in China. There are no active coupons for this product, but the price is pretty low isn’t it?
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): 6GSGIT
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Here is price history (for all/most countries) for VR SHINECON SC-AI08 Pro 2.1 inch 4K VR Headset. The lowest price was: $229.99.
Price records source(s): 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)).