HDMI “MINI HDMI(C-type interface) / with only one display output. When HDMI is output / the console displays a black screen”, TP G+FF / COF 5 p.m, RAM 4GB, WIFI IEEE 802.11 ac/ab/g/n 2.4G/5G wifi dual mode, System Android 11.0, Bluetooth BT 5.0, Screen 5.5 inch fully fit IPS touch screen 720×1280 resolution, CPU T618 (8-core 64-bit Dual-core ARM CortexTM-A75 processor / up to 2.0GHz SIX–core ARM CortexTM-A55 processor / up to 2.0GHz, GPU Mali G52, ROM 64GB.
You can create price alert here, copy coupons and view price history. You probably want to know 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. Only one coupon available!
Link: Banggood product page
1. ($227.69): BG717000
apply code in your basket (cart) after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BG933532, BG0624af, BGAlerabat5, BGJPB5GB, BG399478, 8BGwbg2204, BG13b509, BG24d60d, BGVDGA07, BG451b29
(there’s a little possibility that old coupon will work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Powkiddy X18S Handheld Game Console 4/64GB [EU] ($-3)
Price history and price alert
Check out price history chart (for all/most countries) for Powkiddy X18S Handheld Game Console 4/64GB. The lowest price was: $163.99.
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)).