Size 118x 32x 32mm, Material ABS+Metal, Golden, Power supply USB charging socket, Color Black, Feature Charging indicator, White.
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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. We have found one coupon for this product!
Link: Banggood product page
1. ($33.37): BGHealth06
apply code in your basket (cart) after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): a811cb, XS233, 63a974, 68b4b3, vipupgrade8, TTxBG10, bgssaff9, AFfbG10, BGRAZ322, BG25GAGA, BGSMA22, BGSMATE19, BGBFHN8, BGBGHFRI15, BGPKU955, BGHOMEG12, FBCOUPON1, BGMPB2020, BGAFF10OFF, bGhOnEy10, BGdragonBoat, BGSS10%SW, bgshOOp10, BGHome15%, BGHOMEA15%, BgcLuBofErtA10, 13f142, BGCuponation10, BGHONEY2110, BG10OFFAFF, BGwhielabel, BG10OFFAFF1, BANGGOODSD
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Price history (for all/most countries) for Xiaomi Smate Electric Turbine Razor is here. The lowest price was: $17.77.
Price records source(s): Gearbest, 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)).