$9.99 – USB Rechargeable Fridge Deodorizer (Banggood, Aliexpress: USB Rechargeable Fridge Deodorizer Multifunctional Ozone Machine Compact Air Purifier with Two Modes for Effective Odor Elimination Extend Food Freshness Lightweight Portable for Home Travel (the best price with coupon)).
Latest update shows that USB Rechargeable Fridge Deodorizer costs $9.99 (in Banggood). Just check coupons out (with price alert and history). Do you want to know what the best price is?
Latest coupon code price check (UTC time):
Banggood ($9.99)
Banggood warehouse is located in China. There are no coupons for this product in Banggood. But wait a sec… Is it a good price? Hmmm, price is higher than average (which is $8.99 right now), so better set price alert down below…
Link: Banggood product page
Price: $9.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGbdb66d
(there’s a little possibility that old coupon will work)
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 USB Rechargeable Fridge Deodorizer. The lowest price was: $7.99.
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)).