SONOFF Micro 5V Wireless USB Smart Adaptor [EU] (Banggood, Aliexpress: Material: PC V0, Max. input: Max.DC 5V/2.5A (USB Type – A male), Model: Micro, Max. 1A output for charging, WiFi: IEEE 802.11 b/g/n 2.4GHz, Dimension: 45×30.5x26mm, Max.output: Max.DC 5V/2.5A (USB Type – A female) note: only support BC 1.2 charging protocol (the best price with coupon)).
Price history, coupons and price alert are available on this page. 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 Europe 
. There are no active coupons for this product, but the price is pretty low isn’t it? I don’t really know if this price is reasonable, coz there’s no price history in my DB.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/feV
Old coupons (from the oldest to the newest): elec, BGTT10, bGhOnEy10, BGSMOFF, BGSONOFF15, BGuk799, BGELIG0920, BgcLuBofErtA10, BGSFMicro, BGSONOFF16, BGAFF10OFF, BGSTHO15, BGCuponation10, 13f142, BGHONEY2110, BGSHOM15, BG15Sonoff
(probably won’t work, but you can try them out)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – SONOFF Micro 5V Wireless USB Smart Adaptor ($-3)
Price history and price alert
Price history is not available for this item (not enough database records)! The lowest price was $7.99 though.
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)).