Just check coupons out (with price alert and history). You probably want to know what is the best price?
Material Aluminum Alloy + ABS, Feature Powerful Magnetic, Mini Size, 360 Degree Rotation, Usage Position Dashboard, Adjustable 360° Horizontally / 0° ~ 30° Vertically, Product Size 43.5*13.5*33mm, Product Weight 70g
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. There is one great coupon!
Link: Banggood product page
1. ($15.80): aff7off
this code has to be applied in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): Messenger Only, CFadmitad
(these codes were not working in latest coupon update, but you can check them out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – Xiaomi Auto Bot Q Car Holder Silver ($-3)
Price history and price alert
Here is price history (for all/most countries) for Xiaomi Auto Bot Q Car Holder Gray.
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)).