A portable Bluetooth player can be controlled by a smartphone or built-in buttons. It features a high-quality D/A converter that allows for the restoration of lossless files. The loudspeaker includes Bluetooth mode, FM radio, USB drive, microSD card, AUX input, microphone input, and supports telephone calls. It is equipped with two 102mm mid-bass speakers and two 37mm tweeters, providing exceptional sound quality. Additionally, you can adjust the bass and treble settings. The multicolored RGB backlight offers several modes, giving the device a unique design, but it can also be turned off if desired.