Other: brightness adjustment / key mapping / sleep, Power consumption: 3.7V, Display: 2.8 inch IPS screen / ultra-narrow frame ratio, Charging port: Type-C, Games: 10000 games preinstalled, Emulators: Support DC / PS / CPS1 / CPS2 / CPS3 / FBA / WSC / FC / MD / SFC / NEOGEO / GBA / GBC /GB / MAME and other simulator games / support users to self-download related format games, Battery: 1900mAh polymer lithium battery, CPU: Cotex-A7 dual core 1.2GHz processor, Vibration: support, Resolution: 640x480P, Earphone: 3.5mm, RAM: 128M, TF card: 128GB, , Language: Chinese / Korean / Japanese / Spanish / English, Input power: 5V/1A, Battery life: about 4-5 hours.
Basically copy coupon, view price history or create e-mail price alert. What is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
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.
Link: Banggood product page
1. ($65.99): BG2ccbf4
2. ($85.80): Cuponation9
this code has to be applied 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/i1u
Old coupons (from the oldest to the newest): BGAlerabat5, BGa6ea3c, BG01fc11, MVC8SPRING, BG765b05, BGVGAMES
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Price history (for all/most countries) for MIYOO Mini 128GB 10000 Games Retro Game Console is here. The lowest price was: $64.99.
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)).