Basically copy coupon, view price history or create e-mail price alert. 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 price update (UTC time):
2GB RAM, 16GB ROM, System: Android 7.1, Processor: RK3328, CPU: ARM Cortex-A53, Core: 1.5GHz, Quad Core, GPU: Mali-450
Price history and price alert
There is only one database record (it was for $36.99), so you can’t see price history chart.
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)).