Rated voltage 100V – 240V, Color Black / Silver, Output Power 10W, Material 304 Stainless Steel, Size 52x 200 mm, Rated Frequency 50Hz, Working Noise <75dB, Weight 450g. Basically copy coupon, view price history or create e-mail price alert. Let’s see what best price is ATM.
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. You can get coupon down below.
Link: Banggood product page
1. ($44.03): BANGGOODSD
you should apply the coupon in your 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): 502C6B, vipupgrade8, EKPQ02, SKUB16448, EnlightyOurlife, TTxBG10, BGCJ222, 2019SPEDM, bgssaff9, AFfbG10, BG225KT, BGBFAFF2019, BGCITYADS2019, BGKFG239, BGVDay10%off, BGHOMEG12, BGAFF10OFF, bGhOnEy10, BGdragonBoat, bgshOOp10, BGHome15%, BGHOMEA15%, BgcLuBofErtA10, BGCuponation10, BG10OFFAFF, BGwhielabel, 13f142, BG10OFFAFF1
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Here is price history (for all/most countries) for XIAOMI Circle Joy CJ-EKPQ02 Bottle Opener. The lowest price was: $19.99.
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)).