You can get Baseus Pro Mini Wireless Car Air Pump for $50.39 with coupon (from Banggood). Go down and check coupons out. Remember to check price history if it is available. Do you want to know what the best price is?
Model: Pro, Brand: Baseus, Specifications: , Color: Starry Black
Latest coupon code price check (UTC time):
Banggood ($50.39)
Banggood warehouse is located in China. What about the price? From what I can see this price is higher than average price ($44.49). One coupon is available. Cool!
Link: Banggood product page
Price without coupon: $55.99
1. ($50.39): BGAMMT03
put item in your cart and apply coupon code there 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): BGSCM11
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for Baseus Pro Mini Wireless Car Air Pump.
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)).