Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the best price?
2x 40x 60mm shock membrane, 5V – 2A, built-in 2200mAh battery, 2x 2.5″ full range high sensitivity speakers, Power Amplifier TI
Aliexpress
I could not find it on Aliexpress. Click here to search by yourself.
Here are coupons that you can use.
Latest coupon and price update (UTC):
Price history and price alert
Check out price history chart (for all/most countries) for Siroflo Voice Controlled Smart Speaker.
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)).