Standby Current < 1000uA, UHS-1 64/128/256GB: Class 10, Supply Voltage 2.7~3.6V, Write Speeds 32GB: >10MB/s, Adapter: Epoxy Resin, Adapter: Black, Adapter: 1g, 256GB: 90MB/s, Material Memory Card: COB, Speed Class 32GB: Class 10, Adapter: 24*32*2.1mm, Write Current < 400mA, Dimensions Memory Card: 11*15*1mm, UHS-3, V30, Read Speeds 32GB: >30MB/s, 64/128GB: >80MB/s, 256GB: 40MB/s, Temperature Range Operation: 0°C ~ 70°C, Storage: -40°C ~ 85°C, Net Weight Memory Card: 0.5g, Power Consumption Power Up Current < 250uA, Color Memory Card: Colorful, Flash Type TLC, Read Current < 400mA, Capacity 32/64/128/256GB, 64/128GB: >30MB/s.
Basically copy coupon, view price history or create e-mail price alert. 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 and price update (UTC):
Banggood
Banggood warehouse is located in China. There are no coupons for this product in Banggood.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGN3571, BGAFF10OFF, BGN457U, bGhOnEy10, BGN557X, BGBW152, BGdragonBoat, BGN757, bgshOOp10, BGN957T, BGN957F, BGRBWTF3, BgoFErTaSchInA10, BGHALLOWEEN, BGHU0081, BgcLuBofErtA10, b477cc, BGN1257O, 13f142, BGNLP823, 10%ForNewBW, BGN01236, BGN0223J, BGNDS10OFF, BGCuponation10, 10%ForBGBW, BGHONEY2110, BGHU0576, BGN0723H, BANGGOODSD, BGf114e3, BGHU1298, BG6c34e1, 00c906, BG62c974, BG232368, BG55dd32, BG34e365, BG89c6bf, BG7fe581, BGaee472, BG150b5f, BGc0dfbc, BG00c906, BGd8263b, BGJUNEGSG9, BGBWITHUSY17, BG3a52ac, BG9e3d2f, BGe34547, BG8209aa, BG8eb151, BG56950d, BGde2f67, BGa8280e, BG589b2e
(probably won’t work, but you can try them out)
Other warehouses/versions
This item is available in 2 another warehouse/versions!
1. Europe – BlitzWolf BW-TF3 64GB V30 U3 MicroSD Card [EU] ($-3)
2. China – BlitzWolf BW-TF3 256GB V30 U3 MicroSD Card ($-3)
Price history and price alert
Check out price history chart (for all/most countries) for BlitzWolf BW-TF3 64GB V30 U3 MicroSD Card. The lowest price was: $6.99.
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)).