$7.59 – Portable Wearable Negative Ion Air Purifier (Banggood, Aliexpress: Portable Wearable Negative Ion Air Purifier Neck Purifier 1.2 Billion Negative Ion Purifier Necklace Air Purifier with Digital Display – Black (the best price with coupon)).
Latest update shows that Portable Wearable Negative Ion Air Purifier costs $7.59 (in Banggood). You can create price alert here, copy coupons and view price history. You probably want to know what is the best price?
Latest coupon and price update (UTC):
Banggood ($7.59)
Banggood warehouse is located in China. But wait a sec… Is it a good price? I have never seen better price than the current one in CouponsFromChina database, so it’s the best! There is one coupon available! Pretty cool, huh?
Link: Banggood product page
Price without coupon: $9.99
1. ($7.59): BG325fa7
coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop.
This is the best price ever noted in my database!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/feV
Old coupons (from the oldest to the newest): BG5883fe, BG116e20
(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
You can use link bot to get even lower price:
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 Portable Wearable Negative Ion Air Purifier. The lowest price was: $7.59.
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)).