Size 293 * 103 * 38mm, System Support Windows /Android/Mac, Connection USB Type-C Wired, Cable 1.5m USB Cable, Red Switch), Keys Amount 64 Keys, Model SK64S, Weight 768g, Backlit RGB backlight, Switch Gateron Switch (Blue Switch, Brown Switch, Material PBT + ABS, Anti-Ghost Key NKRO, Color Grey&Black / Grey&White / Pink&White.
Basically copy coupon, view price history or create e-mail price alert. What is 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 code price check (UTC time):
Banggood
Banggood warehouse is located in China. I found coupon for you. Check this out.
Link: Banggood product page
1. ($69.91): BGBFDAY8
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): bGhOnEy10, BGdragonBoat, BGSDJWE, BGSS10%SW, BGSK64, bgshOOp10, BGCNSK, BGCN64, BgoFErTaSchInA10, BgcLuBofErtA10, BGAFF10OFF, BGCNSK64S, BGCuponation10, 13f142, BGHONEY2110, BANGGOODSD, 6GSGIT, BGRiccardo, BGraton, Cityads2213, BG22f0aa, BG3591c1, BGc0ac93, BG3dd49f, BG589b2e, BGcf924d
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Geek SK64S 64 Keys NKRO Bluetooth 5.1 Type-C Keyboard [EU] ($-3)
Price history and price alert
Price history (for all/most countries) for Geek SK64S 64 Keys NKRO Bluetooth 5.1 Type-C Keyboard is here. The lowest price was: $46.99.
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)).