Output: 5V/9V/12V, 2.4A Max, Plug: Micro USB, Wire Core: 30 AWG(Data) + 21 AWG(Power), Length: 1m/3.33ft.
Check coupons or create price alert down below. 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.
Link: Banggood product page
1. ($3.19): BG20CHARGER
2. ($3.59): BGAFF10OFF
3. ($3.59): BgcLuBofErtA10
apply it 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): e2bcea, 1CB7, 502C6B, 12blitzw, BGss10%bw, AFfbG10, BGVDay10%off, bGhOnEy10, BGXMI15, BGdragonBoat, BGSS10%SW, BgoFErTaSchInA10
(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 BlitzWolf BW-CB7 2.4A Micro USB Cable 1m. The lowest price was: $1.61.
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)).