-wireless online, -Lithium battery interface / 500mA maximum charging current, Lite board ESP3, -4MB Flash, -Bluetooth, -Default fixed: AT firmware.
You can create price alert here, copy coupons and view price history. You probably want to know what is the 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 code price check (UTC time):
Banggood
Banggood warehouse is located in China. I can’t tell you if this price is good – not enough records in my database, so I won’t judge. We have found one coupon for this product!
Link: Banggood product page
1. ($6.57): BG00c906
paste coupon code in your cart and click Apply 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): BG41b2a0, MVC8SPRING, 2203ActiesNL, BGJUNEGSG9, Cuponation9
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
It doesn’t make sense to generate price history chart, because there is one price record which is: $4.49.
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)).