Dimensions 181.8x 168x 26.8mm, Automatic Shutdown Time 180s, Storage Humidity ≤90%RH, Storage Temperature -10℃-50℃, Bluetooth Transmission Distance About 8m, Measurement Accuracy 0.1-0.5g, Units of Measurement g/ml/oz/lb: oz, Product Net Weight About 342g, Maximum Weighing 3000g, Equipment Requirements Android 4.4/IOS8.0 and above support Bluetooth 4.0, Working Temperature 10-40℃, Product Number QWCFC001, Minimum Weighing 0.1g, Wireless Connection Bluetooth 4.0.
Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the 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 coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. There is one coupon available! Pretty cool, huh?
Link: Banggood product page
1. ($41.88): 2203ActiesNL
put item in your cart and apply coupon code there 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): BGAPSE542, BGHONEY2110, BG10OFFAFF, BGMAYSE542, BGMAYXIN542, BGwhielabel, BGHU0553, BGJUTD542, BGHU0625, BGisl542, BGisly542, 13f142, BGISJU542, BG10OFFAFF1, BGTY542, BANGGOODSD, BGTYOT542, 6GSGIT
(there’s a little possibility that old coupon will work)
Price history and price alert
Here is price history (for all/most countries) for HOTO Smart Bluetooth Electronic Kitchen Scale. The lowest price was: $27.99.
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)).