The coupon price for GameSir T3 Pro Tri-mode RGB Wireless Controller is $69.99 (in Banggood). Basically copy coupon, view price history or create e-mail price alert. Best price?
GameSir T3 Pro Tri-mode RGB Wireless Game Controller with Hall Effect Trigger bluetooth Joystick Gamepad with Charger Dock Six-axis Gyro HD Rumble Motors Retractable Back Butoons Tactile Micro Switch D-pad for PC Switch IOS Android – Black
Latest coupon code price check (UTC time):
Banggood ($69.99)
Banggood warehouse is located in China. You probably want to know if this is a good price. Looks like this is great price. I didn’t track lower than that in CouponsFromChina database ever. I found 2 active coupon codes, cool.
Link: Banggood product page
Price without coupon: $79.99
1. ($69.99): BGROTGT3P
2. ($73.59): BGALL8
this code has to be applied in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Do you need price history chart (for all/most countries) for GameSir T3 Pro Tri-mode RGB Wireless Controller? There we go.
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)).