Calus Link Music Wireless Speaker.

Connectivity: It uses Bluetooth technology and also supports Aux, USB, Micro USB, and TF Card inputs. Audio and Calls: The speaker has a built-in speaker for hands-free calls. It features high-quality sound and strong bass. Battery Life: It has a built-in rechargeable battery that provides a strong and lasting battery life. Design: The speaker has a stylish, portable, cylinder-shaped design. Additional Features: Some models may include an FM radio.