Basically copy coupon, view price history or create e-mail price alert. Do you want to know what the best price is?
Blade material Stainless steel, Size 78.2x 78.2x 234mm / 30.79x 30.79x 92.13inch, Input voltage DC 5V, Charging time 3-4 hours, Weight 438g, Color Pink, Rated power 65W, Output voltage / current DC 3.7V, White, Battery capacity 2000mAh
Aliexpress
There’re some similar (or not) items on Aliexpress
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.
Link: Banggood product page
1. ($40.47): BGSHHA
2. ($40.47): BGSHHA
3. ($49.59): 13f142
4. ($49.59): 13f142
put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGcup1599, AFfbG10, BGcamp15, BGXMD001, BGXMT001, BGQT001, BG11ev07, BGCP19, 0e7f33, BGVTMRA, BGVTCRA, FBCOUPON1, BGKLF03, bGhOnEy10, BGdragonBoat, 139aa0, BG7YS13, BGODFN1, BGXYmjb04, BGXYmjb05, BG11od24, BGGJ107, BGDM632CZ, BGZPBC15, BGTY156AF, BGAFF10OFF, BGTY744CZ, BGTY154V, BGCuponation10, BG10OFFAFF, BGwhielabel, BG6a5a3e, BG0b688b, BG58a3e7, BG10OFFAFF1, BGe2922d, BG4d9120, BG77b0d6
(you can check these old coupons out, but these probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Vitamer 65W 350ml Fruit Juicer Bottle 2000mAh [EU] ($-3)
Price history and price alert
Check out price history chart (for all/most countries) for Vitamer 65W 350ml Fruit Juicer Bottle 2000mAh.
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)).