Basically copy coupon, view price history or create e-mail price alert. What is the best price?
Dimensions: 139 * 36 * 11.8mm, Memory Card Slot: SD/TF Card, Brand: Xiaomi MIIW, Output: , HDMI: 4Kx 2K 30HZ, Material: ABS + Aluminum Alloy + PC, Model: MWCMA01, 100W Max, Input: USB-C, USB-C PD: 20V=5A, Weight: about 50g
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. You can get coupon down below.
Link: Banggood product page
1. ($55.09): 13f142
just apply this code in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BG9XiaomiWu, BGAFF10OFF, BG9XiaomiHUb, BgoFErTaSchInA10, BgcLuBofErtA10, BGXMHUBLB, BGblackXiaomihub, BGMBCBLE, BG2MiHubcn, BGCuponation10, BG3XiaomiHubCZ, BGd509f5, BGHONEY2110, BG286648, BG9972e9
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Xiaomi MIIIW 7 In 1 USB-C Hub MWCMA01 [EU] ($-3)
Price history and price alert
Check out price history chart (for all/most countries) for Xiaomi MIIIW 7 In 1 USB-C Hub MWCMA01.
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)).