USB Interface USB 3.0 + Type-C, Max. Working Current A=200mA, Housing Material Aluminium Alloy, Max. Working Voltage V = 5V, Model BW-UPC1, Capacity 16GB/ 32GB/ 64 GB, Dimensions 34mm*17mm*7mm, Net Weight 5g.
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.
Link: Banggood product page
1. ($14.90): BGBWGKYH8
2. ($14.90): BGST6Jh7c
3. ($19.16): 12blitzw
4. ($19.16): AFfbG10
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): BG673505, BGa80e3c, 2019SPEDM, BGss10%bw, 502C6B, BG484BWhv, BGYB84C4, BGNH584GV, BGNH584UJ, BGN1284VD, BG25153b, BG4b30e2, BG20ff37, BGf5e76c, BGbea4f9, BG5a5aa8
(probably won’t work, but you can try them out)
Price history and price alert
Check out price history chart (for all/most countries) for BlitzWolf BW-UPC1 Type-C USB 3.0 64GB OTG Flash Drive. The lowest price was: $14.48.
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)).