The Pyle PPHP40KAS is a compact yet powerful portable speaker system that delivers high-quality sound with big bass for all your music and karaoke needs. Featuring Bluetooth wireless streaming, this speaker allows you to connect and stream music from your smartphone, tablet, or laptop. It includes two wired microphones for karaoke fun, along with microphone volume control, echo button, voice change, and music vocal removal features. The portable design with a stand to hold your mobile phone makes it perfect for both indoor and outdoor use.