Keep the music playing with the pro stima 53810kh bluetooth speaker with microphoner speaker has bluetooth technology to play directly from mobilesr includes a usb device for direct connectionr you can connect a mini usb minijack cable included to amplify audio of tv or computerr able to read sd cards and with an adapter microsd cardsr 10w of powerr includes a karaoke function built in microphone and led displayr receives and answers calls with hands free functio