$41.99 – Darmoshark K3PRO 19 Keys Tri-mode Mechanical Numeric Keyboard Hot Swappable PBT Keycaps Huano Green Switch RGB Wireless/BT/Type-C Programmable Numpad Keyboard for PC Computer Laptop – Green Switch.
When I was updating this page the price was $41.99 for Darmoshark K3PRO 19 Keys Tri-mode Mechanical Numeric Keyboard (in Banggood). Just check coupons out (with price alert and history). You probably want to know what is the best price?
Latest coupon code price check (UTC time):
Banggood ($41.99)
Banggood warehouse is located in China. I don’t think there is an active coupon right now – at least in my database. What about the price? From what I can see this price is higher than average price ($41.49).
Link: Banggood product page
Price: $41.99
Additional Banggood coupons: first page and second page
Aliexpress
There’re some similar (or not) items on Aliexpress
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Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for Darmoshark K3PRO 19 Keys Tri-mode Mechanical Numeric Keyboard. The lowest price was: $40.99.
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)).