You can create price alert here, copy coupons and view price history. What is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Bluetooth Version: V4.0, System support: Android, IOS, PC, Capacity: 600mAh, Charging Time: 2 – 3 hours
Price history and price alert
Price history (for all/most countries) for Gamesir G3s Wireless Gamepad [Fast-23] is here.
Price records source(s): Gearbest
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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)).