SHOWSEE F1-B Blue Electric Shaver (Banggood, Aliexpress: Charging Time About 90min, Product Size 160*55*34.2mm, Battery Capacity 800mAh, Battery Life About 90min, Brand SHOWSEE, Product Model F1-B, Waterproof Rating IPX7 (Whole Body Waterproof), Charging Current 1A, Executive Standard GB4706.1-2005 GB4706.9-2008, Charging Voltage Ch5V=, Product Color Gradient Blue, Product Net Weight 155g (the best price with coupon)).
Just check coupons out (with price alert and history). 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 price update (UTC time):
Banggood
Banggood warehouse is located in China. One coupon is available. Cool!
Link: Banggood product page
1. ($28.19): BG00c906
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/feV
Old coupons (from the oldest to the newest): BGNOXP291, BGHealth06, 00c906
(these coupons are old, so probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for SHOWSEE F1-B Blue Electric Shaver. The lowest price was: $25.49.
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)).