ROM 512GB PCI-E SSD, Weight 650g, Screen 8.4 Inch multi-touch OGS IPS Capacitive Screen, Battery 8600mAh, CPU Intel Core 710510Y up to 4.5 GHz, Resolution 2560*1600, RAM 16GB.
Price history, coupons and price alert are available on this page. 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.
Link: Banggood product page
1. ($1199.99): BG01e1b1
2. ($1292.99): Email5
you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): aff7off, BGc19a2c, BG03d422, BG7b9443, 7d18f7
(I don’t think these’re gonna work, but you can try ’em out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – ONE NETBOOK One Mix 3 Pro I7-10510Y 16G/512GB Laptop Tablet [EU] ($-3)
Price history and price alert
Check out price history chart (for all/most countries) for ONE NETBOOK One Mix 3 Pro I7-10510Y 16G/512GB Laptop Tablet. The lowest price was: $1049.99.
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)).