You can create price alert here, copy coupons and view price history. Best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
Radio Alarm Clock Digital Wireless Charger Adjustable LED Night Light Bluetooth SpeakerUSB Charger Wireless Speakers for Bedroom | $47.17 | – |
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Support AUX External Audio Input for iPhone 6S / 6S Plus / iPad Pro
Price history and price alert
Price history (for all/most countries) for Bluetooth 3.0 Speaker with LED Disc is here.
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)).