Just check coupons out (with price alert and history). You probably want to know what is the best price?
Color Black, Dimensions 90*62*90mm, Input Power DC5V USB, SNR ≥65db, Model M510, Brand Lenovo, Output Power 5W
Aliexpress
There’re some similar (or not) items on Aliexpress
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 active coupons for this product, but the price is pretty low isn’t it? Sorry, but there’s no price history in my database.
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/5cd
Price history and price alert
It doesn’t make sense to generate price history chart, because there is one price record which is: $21.73.
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)).