Hair Clipper 5W (Banggood, Aliexpress: Size: 4*16 cm, Charging time: about 1 hour, Product name: Electric hair clipper, Rated power: 5W, Charging method: USB charging, Material: Alloy, Color: Black (the best price with coupon)).
Basically copy coupon, view price history or create e-mail price alert. Best price?
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.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. There are no coupons available at this moment in Banggood.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/feV
Old coupons (from the oldest to the newest): BG10OFFAFF1, BANGGOODSD, BGHealth06, BGHealth10D, 2022ACTIESNL
(probably won’t work, but you can try them out)
Price history and price alert
Here is price history (for all/most countries) for Hair Clipper 5W. The lowest price was: $14.71.
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)).