Here is a compact Bluetooth speaker that you can take with you to listen to your favorite music on the road. The RIF6 speaker connects to your smart devices via Bluetooth. It has a battery that lasts up to 12 hours. The device offers a working range of up to 33 feet.
This mini speaker measures 2 inches on all sides. It is made of ABS, aluminum, and glass. Costs under $50 at this time.