Amazon has the AmazonBasics Portable Wireless Bluetooth Speaker - Blue
For $13.97 was $19.99!
Portable Bluetooth speaker with 33-foot wireless range for streaming music, podcasts, and more from your compatible Bluetooth-enabled device
2 internal 2.5-watt speakers and 2 full-range drivers for high-quality sound; provides rich bass without distortion, even at highest volume
3.5mm aux in jack for connecting non-Bluetooth audio devices
Rechargeable battery allows for up to 8 hours of playtime on a full charge; small and lightweight for take-anywhere convenience
Built-in microphone for hands-free speakerphone calling; choice of stylish colors