Here I found a that brings the soundcore mini down to $21.98. When you apply the coupon code (HXSJUS) at checkout it brings the price down to $17.49.
Some specs on this speaker
Compact And Powerful
Super-portable Bluetooth speaker with incredible sound quality. A 5W audio driver and passive subwoofer ensure you get crystal-clear sound and powerful bass from a speaker you can literally take anywhere.
Advanced Bluetooth Technology
Bluetooth 4.0 seamlessly connects to any Bluetooth device. A 66ft transmission range, and a noise-cancelling microphone enable hands-free calling.
Unstoppable Music
SoundCore mini boasts micro SD support, AUX-in jack, and an FM radio—so even if your phone stops, your music keeps going.
Listen Longer
SoundCore mini supplies you with 15 hours of continuous playtime, more than double that of similar-sized speakers, so you can listen for longer.
