I have checked all old coupons and price is $16.99 for Kemei KM-2024 Electric Shaver (in Banggood). Go down and check coupons out. Remember to check price history if it is available. Best price?
Kemei KM-2024 Electric Shaver For Men Waterproof Rechargeable Electric Professional Beard Trimmer Razor USB Charging
Latest coupon code price check (UTC time):
Banggood ($16.99)
Banggood warehouse is located in China. I can’t find any active coupons for this product in Banggood. I think you want to know if the price is good. Looks like a good price to me (average is $17.66).
Link: Banggood product page
Price: $16.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGgh0628g, BG589b2e
(these codes were not working in latest coupon update, but you can check them out anyway)
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 Kemei KM-2024 Electric Shaver.
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)).