Ugreen US216 USB KVM Switch Box USB 3.0 (Banggood, Aliexpress: UGREEN USB 3.0/2.0 KVM Switch (the best price with coupon)).
Go down and check coupons out. Remember to check price history if it is available. What is best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
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. I found coupon for you. Check this out.
Link: Banggood product page
1. ($34.75): 2203ActiesNL
this code has to be applied 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/feV
Old coupons (from the oldest to the newest): BGN823E, BGN823J, bgshOOp10, bGhOnEy10, BgoFErTaSchInA10, Promo, BGHALLOWEEN, BgcLuBofErtA10, BGAFF10OFF, BGNCC12OFF, BGHONEY2110, 13f142, BANGGOODSD, 00c906, 2022ACTIESNL, Terence, 8Couponsde, MVC8SPRING, 8BGwbg2204
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Price history (for all/most countries) for Ugreen US216 USB KVM Switch Box USB 3.0 is here. The lowest price was: $19.19.
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)).