USThe FS13MS0810-H3.5 is a type of RoHS-compliant speaker manufactured by FUETUS. This speaker offers a wide sound range with rich bass and clear high-end notes. It features a 3.5mm plug for quick and easy connection to compatible audio devices, such as smartphones, MP3 players, and more. It is designed with a slim aluminum body and has a wide frequency response, ranging from 20Hz up to 20kHz. Furthermore, this speaker offers a sensitivity of 86dB so that you can enjoy louder and clearer sound without distortion.