The Bluetooth Speaker support U Disk Play and TF Card Play, disconnect the Bluetooth of the stereo,and play the music on the U Disk/TF Card. (U Disk and TF Card not included). Cordless speaker is compatible with for Milwaukeem18 18v lithium-ion batteries 48-11-1820 48-11-1822 48-11-1840 48-11-1850 48-11-1852 48-11-1860 48-11-1862 and more.
