Aliexpress
Click here… to search for iPega PG-9167 Bluetooth Gamepad on Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. There is one coupon available! Pretty cool, huh?
Link: Banggood product page
Coupon (39.93 USD): Cuponation9
(CouponsFromChina.com tip: apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGPG9167, BGE13, BGAMEPAD, BGVDay10%off, BGAFF10OFF, BGPG916726, bGhOnEy10, BGdragonBoat, BGVCCD13, BGSS10%SW, bgshOOp10, BgoFErTaSchInA10, BGELIG0920, BgcLuBofErtA10, BGCuponation10, 13f142, BGHONEY2110, BG9800be, BGd0b05d, BGAlerabat5, MVC8SPRING, 8BGwbg2204, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, BGVGAMES
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Here is price history (for all/most countries) for iPega PG-9167 Bluetooth Gamepad.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).