This 20W high-power wireless Bluetooth speaker integrates home theater, karaoke, and portable amplification functions. It features 52mm dual diaphragms and Bluetooth 5.3 technology, achieving a wide frequency response of 100Hz-20kHz and a high signal-to-noise ratio of 85dB, supporting a stable wireless connection up to 10 meters. It has a built-in professional karaoke system with two wireless microphones equipped with built-in 400mAh batteries, supporting one-button vocal removal, 5 voice effects, and reverb/echo adjustment. It can also be connected to a Tv via an Aux interface to create a home karaoke experience. It also supports local playback from Tf cards/Usb flash drives, Bluetooth streaming from mobile phones, and hands-free calling. The built-in 2400mAh lithium battery provides approximately 3-4 hours of battery life. The compact Abs body weighs only 3.3 pounds. The package includes the speaker, dual microphones, audio cable, and charging cable.