$11.99 – SANSUI U1 FM Radio Portable bluetooth Speaker Built-in Dual Magnetic Speakers Support TF Card U Disk 3.5mm AUX Playback Rechargeable Digital MP3 Player with Lanyard – Red.
I have just checked coupons. The lowest price I could get is $11.99 for SANSUI U1 FM Radio Bluetooth Speaker (in Banggood). Price history, coupons and price alert are available on this page. Best price?
Latest price update (UTC time):
Banggood ($11.99)
Banggood warehouse is located in China. Isn’t it too expensive? Actually this is the best price in history according to CouponsFromChina database! Well, there is one coupon available right now.
Link: Banggood product page
Price without coupon: $13.49
1. ($11.99): BG010300
just apply this code in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for SANSUI U1 FM Radio Bluetooth Speaker. The lowest price was: $11.99.
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)).