Basically copy coupon, view price history or create e-mail price alert. Best price?
Battery: 4, System: Android 7.1, Memory: 2GB / 16GB, Video Decoding: Supports H.265/10-bit, System: Android, Light Source: LED, Screen Scale: 16: 09, 3D: Red/Blue 3D, Keystone Correction: Auto Correction, WIFI: 2.4G/5G Wifi, Home Theater Projector: No, 200mAH, Power: DC 5V 3A, HDMI, Projected Dimension: 30-120 inch, Brightness: 2000 Lumens, Audio, Optical Resolution: 854x480dpi, Projection Distance: 1-5m, Zoom: None, Model Number: X2, DC-in, Portable: Yes, Cortex-A53, Use: Entertainment Projector, CPU: S905X, interface: USB, bluetooth: bluetooth 4.1, TF Card, Projective Mode: Throwing, Type: Digital Projector, Contrast Ratio: 2000: 01, Ansi Lumens: 200 ANSI Lumens, Projection Technology: DLP, Weight: 0.265Kg
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. There are no coupons available at this moment in Banggood.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGX2PB, PAYPAL10%, fe2556, Wholesale20, BGAUX294, aff7off, BGX24905, BGAUNX216, BGX21605, BGAUN90905, BGaDmITAd, BGAUN405, bgchinafest, BGBFAFF2019, BGCITYADS2019, BGAUX2694, BGAMPX694, bGpAnDacHeCk, Email5, 7d18f7, bGhOnEy10, BGdragonBoat, BGBAN7095, BGAFF7OFF, BGAM694, BGAM6944, bgshOOp10, BGAM6940, BGAM6941, BGAM6942, BGBM9905, BgoFErTaSchInA10, 7bcdf9, BGAL905, BGHALLOWEEN, BGProjectors, BGAProjector, BGPROBuscape, BGPROJEKTOR, BGLaurent, Cityads2210
(I don’t think these’re gonna work, but you can try ’em out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – AUN MINI DLP Projector X2 2/16GB [EU] ($-3)
Price history and price alert
Check out price history chart (for all/most countries) for AUN MINI DLP Projector X2 2/16GB.
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)).