The CMIK MK-8812 portable Bluetooth audio system lets you enjoy your favorite music anywhere. suitable for karaoke, presentations, etc. Enjoy excellent sound quality through the high-power 40W amplifier. There is also a built-in mp3 player, which allows playback of .mp3 files via a USB stick or microSD card. Also extremely convenient is the Bluetooth function, making it possible to wirelessly connect your phone or laptop to the CMIK. Does not come with microphone or charger.