Superb HD Stereo Sound Quality: The portable bluetooth speaker is equipped with a high-performance audio driver and an advanced digital signal processor, which make the sound clearer, the bass stronger, the volume more moderate, and eliminate all the noise. Built-in 5.25 subwoofer and 2 tweeter, which can amplify your voice, play the radio as well as stream songs and it does not distort the audio even at higher volumes. You can enjoy strong, loud, and transparent bass and treble. Multi-function Bluetooth Speaker: Built-in the latest Bluetooth 5.0 chip for wireless streaming ensures instant pairing and provides a more stable transmission and longer distance. This big speaker also supports a Micro TF card, Flash USB, and AUX-in connectivity. Compatible with the android mobile phone, TV, iPad, tablet, PC. There is a 6.35 microphone input on the operation panel, which also works for guitars. The unique groove design on the karaoke machine allows you to place your phone.