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.
Go down and check coupons out. Remember to check price history if it is available. What is 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. There is one coupon available! Pretty cool, huh?
Link: Banggood product page
1. ($28.19): BG00c906
this code has to be applied in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): BGNOXP291, BGHealth06, 00c906
(there’s a little possibility that old coupon will work)
Price history and price alert
Here is price history (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)).