Tune Thunder Rechargeable Wireless Bluetooth Portable Speaker Outdoor USB/TF/FM Radio Stereo.   If you like high base then this is the one to get loud and thunderous will connect to your phone quickly.
 

Type: Audio Dock

Compatible Model: Universal

Brand: SmarTech

Connectivity: Wireless Bluetooth connection up to 90 feet
Charge: single charge will last 4 hours of continues play.

Charging Voltage: DC 5V / 500mAh-1000mAh
Built-in FM radio tuner and MP3 Player as well.