You can get K2 2-Keys Wired for 12.99 USD using coupon code (in Banggood). Basically copy coupon, view price history or create e-mail price alert. What is the best price?
Latest coupon code price check (UTC time):
Banggood (12.99 USD)
Banggood warehouse is located in China. I don’t think there is an active coupon right now – at least in my database. Price? Pretty good price – average (13.52 USD) is higher than current one!
Link: Banggood product page
Price: 12.99 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BG449fdc
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Aliexpress
Click here… to search for MOTOSPEED K2 2-Keys Wired Mechanical Keyboard on Aliexpress
Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for MOTOSPEED K2 2-Keys Wired Mechanical Keyboard.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).