You can create price alert here, copy coupons and view price history. Best price?
Brand: Mijia (From Xiaomi System), Color: Black, Certification: FCC CE ROHS, Material: Zinc alloy
Aliexpress
There’re some similar (or not) items on Aliexpress
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.
Link: Banggood product page
1. ($18.89): BGHONEY2110
2. ($19.99): 13f142
paste coupon code in your cart and click Apply 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): aff7off, bGpAnDacHeCk, 2020CNY, BGSAMH, bGhOnEy10, BGSM15, BGSMOFF, bgshOOp10, BGSAMRTH, BGAFF10OFF, BgcLuBofErtA10, BG15SH12, BGSTHO15
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Price history (for all/most countries) for Xiaomi Mijia Electric Razor Head is here.
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)).