Large Bluetooth Speaker

For sale, a large speaker weighing 20 kg with wheels, supporting multiple features: Bluetooth, MP4, MP5, AVI, AVD, wireless, two USB ports, memory card slot, HDMI input, built-in EQUALIZER, two microphone inputs. The speaker comes with two wireless microphones and can operate on battery charging, direct power, or car battery using positive and negative terminals. It has FM radio, audio and video inputs, a small antenna, and the lighting can be turned on or off using a control button.