Mixza Dog Edition 32GB MicroSD Card (Banggood, Aliexpress: Write speed 10 MB/s or more, reading speed up to 80MB/s (the best price with coupon)).
Go down and check coupons out. Remember to check price history if it is available. 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. I found coupon for you. Check this out.
Link: Banggood product page
1. ($13.80): TTSUMMER8
paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/feV
Old coupons (from the oldest to the newest): 700c1e, 502C6B, elec, BGTFMixza, BGTFMixza01, AFfbG10, BGBFAFF2019, BGCITYADS2019, BGMixzaPerro32, BGE13, bGhOnEy10, BGAFF10OFF, BGdragonBoat, BgoFErTaSchInA10, BgcLuBofErtA10, BGHONEY2110, 13f142, BGc530ca, ADMITAD2212, 2022ACTIESNL, 2203ActiesNL, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, BGJUNEGSG9
(there’s a little possibility that old coupon will work)
Price history and price alert
Check out price history chart (for all/most countries) for Mixza Dog Edition 32GB MicroSD Card. The lowest price was: $3.88.
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)).