BYINTEK K16 Portable Full HD Projector [EU] (Banggood, Aliexpress: CPU: MTK 64-bit CPU: Contex A53 4 core Decode 4K H.265/AVS2 4K*2K/30HZ, Memory: RAM 2G DDR3 / ROM 32G eMMC, Clock Speed: Mali-G52 GPU, BT: BT 5.0, Android 9.0 OS, Wifi-display: Suppport Airiplay / Miracast / DLNA.(Eshare is pre-installed), WiFi: 2.4G & 5G dual-band WiFi (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
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 
. I don’t want to misguide you about the price. I don’t know if it’s good, because I don’t have enough records in my database… I found coupon for you. Check this out.
Link: Banggood product page
1. ($215.99): BGProj
just apply this code in your 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
Old coupons (from the oldest to the newest): BG18abd5, BGAProjector, BGAudioVideo
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Well, you won’t see price history chart, coz we have only 1 database record for this item (and price was $195.99).
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)).