Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the best price?
Powerful 2x 400W motors, 5.8Ah Li-ion battery, 310Wh, IP54 waterproof, White
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):
Price history and price alert
Check out price history chart (for all/most countries) for Ninebot miniPRO Self Balancing Scooter White [CN-MI].
Price records source(s): Gearbest
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)).