Just check coupons out (with price alert and history). Do you want to know what the best price is?
Salange Mini Projector Portable P28 1280*720 Pixels Smartphone Casting Projetores For Video Game Android Home Theater PK P62 – Green EU Plug
Aliexpress
There’re some similar (or not) items on Aliexpress
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
Salange P28B/P28A Mini Projector 8K Full HD LED Wifi Projector 8000 Lumens Android 9 Support 1080P Home Video For Outdoor Movie | $81.80 | – |
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.
Link: Banggood product page
1. ($43.33): BGProjcc
2. ($45.26): BG589b2e
coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Price history and price alert
Check out price history chart (for all/most countries) for Salange Mini Projector P28 720p.
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)).