You can create price alert here, copy coupons and view price history. Let’s see what best price is ATM.
Headphone jack: about 3.5mm/0.14inch, CPU: RK3326 quad-core 1.5GHZ, Charging support: type-C, Battery life: 6 hours, System: open source for LNUX, Charging time: 2.5 hours, Screen: 3.5-inch IPS, Games: 64GB: 3000+; 128GB: 5000+ 256GB: 8000+, Maximum power consumption: 2W/H, TF card: 64GB/128GB, WFH+Bluetooth combo module: RTL8723BU, DDR3: 1GB, Input power: 5V/2A, Built-in speaker: 1W, Size: about 108x 93x 20MM/4.25x 3.66x 0.79inch, Built-in lithium battery: 3000mAh, Game: fit for N64/ for PS1/for CP3CP2/for CP1/for NEOGEO/for GBA/for NES/for SFC/for MD/for GBC/for GB and other emulators
Aliexpress
There’re some similar (or not) items on Aliexpress
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
POWKIDDY RGB20 EE4.1128G 30000 Games 3.5 \ | $78.87 | – |
 |
POWKIDDY RGB20 3.5 \ | $78.87 | – |
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. One coupon is available. Cool!
Link: Banggood product page
1. ($98.17): BGAlerabat5
you should apply the coupon 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): BGJPN3RB, BGJOE7E, BG5d6806, BGVDGC12
(probably won’t work, but you can try them out)
Price history and price alert
Check out price history chart (for all/most countries) for POWKIDDY RGB20 RK3326 128GB 3.5 inch Game Console.
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)).