up to 4.5GHz, 16GB 2133MHz LPDDR3 RAM 512GB Expandable SSD, Windows 10 OS home Installed (Chinese Version), Dual WiFi 6 and Full-featured Type-C, 11.5h Battery life with 41Wh Large Capacity, Intel i7-10510Y Quad-Core Eight Thread 1.2GHz, Fn+ K Keys Three Smart Switch Modes, 1KG Lightweight Full Metal Cases, 13.3 inch 100% sRGB 89% Ratio 16: 10 IPS Screen with 2560x 1600 Resolution, Intel UHD Graphic 615 GPU up to 850MHz Frequency.
Go down and check coupons out. Remember to check price history if it is available. You probably want to know what is the 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. You can get coupon down below.
Link: Banggood product page
1. ($1098.99): 13f142
paste coupon code in your cart and click Apply 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): BGXMAIR1, Email5, BGHALLOWEEN, BGXMAIRK1, BGXMAIRK2, BGXMAIRK3, BGXMAIRK4, BGXMAIRK5, BGXMAIRK6, BGXMAIRK7, 7d18f7, BGXMAIRK8, BGXMAIRK9, BGXMAK11, BGXMAK12, BGXMAK13, BGXM21NY4, BGXMAK14, BGXMAK15, BGXMAK16, BGXMAK17, 451feb, BGXMSP12, BGXMY71, BGXMY72, BGXMY76, BGXMY77, BGDEXM658, BGXMY78, BGXMY79, BGXMY80, BGXMY82, BGXMY83, BGXMY84, BGXM50OFF2
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Here is price history (for all/most countries) for Xiaomi RedmiBook Air 13.3 i7-10510Y 16/512GB. The lowest price was: $779.99.
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)).