Speaker Trolley Driver Unit: 10.5″ woffer + 2″ tweeter Power + Frequency: 60W 20HZ-20KHZ Functions: Aux audio input, Bluetooth, Microphone Jack, TF Card Accessories: Remote Control, 1 Wired Microphone Charging + Battery: Usb charging Wire, 11V/2400mAh Dimensions: 330*300*790mm Weight: 8.8kg