Get coupons, create price alert or check price history out! Let’s see what best price is ATM.
0-3.5A 70W max, Interface: Type-C, Color: White., Type: Type-C to 4K display Conversion Adapter, USB 3.0, High Definition Multimedia Interface, Sizes: 150×50.3x11mm, Input: 5-20V
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.
Link: Banggood product page
1. ($33.11): bGhOnEy10
2. ($33.11): BGdragonBoat
3. ($33.11): BGAFF10OFF
4. ($33.11): BgcLuBofErtA10
just apply this code 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/5cd
Old coupons (from the oldest to the newest): TTxBG10, aff7off, BG3CSUM, bgssaff9, AFfbG10, 502C6B, BGBFAFF2019, BGMPB2020, BGSS10%SW, BGBRCOM5, bgshOOp10, BgoFErTaSchInA10
(there’s a little possibility that old coupon will work)
Price history and price alert
Here is price history (for all/most countries) for Xiaomi USB-C Type-C to 4K Adapter.
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)).