Type: Bar Phone, OS: Mocor5, RAM: 512MB, CPU: A53 Dual Core, Card Extend: up to 32GB, Platform: SC9820E, Brand: QIN 1S+ (Xiaomi cooperation brand), ROM: 4GB, Frequency: 1.3GHz.
Just check coupons out (with price alert and 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 coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. I found coupon for you. Check this out.
Link: Banggood product page
1. ($100.94): BG55d4b2
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): aff7off, fphone, 502C6B, BGREDFSE, BGBFAFF2019, mopro11211, BGCITYADS2019, BGphone3A, Email5, BGVDay10%off, BGMPB2020, bGhOnEy10, BGAFF10OFF, BGdragonBoat, bgshOOp10, BgoFErTaSchInA10, BgcLuBofErtA10, BGCuponation10, 13f142, BGHONEY2110, BGe023a6, BGf87225, BG5225f1, 6GSGIT
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Here is price history (for all/most countries) for Xiaomi Qin 1S+ Phone. The lowest price was: $66.99.
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)).