Multifunctional wireless and wired speaker set - Built-in Bluetooth 5.0 for fast pairing and stable wireless streaming up to 14.9 m. It supports micro TF card, flash USB, and AUX input. Compatible with Android phones, TVs, tablets, and PCs. In addition, the USB port allows the power bank function to charge your smartphone/tablet. - The 2022 microphone and speaker set is compact and portable, designed to keep living spaces uncluttered. With an audio driver and an advanced digital signal processor, the sound is more precise, the volume is balanced, and noise is reduced. To reach your preferred level, adjust the volume and hold down the volume button. Use scenarios - Home or small gatherings: sing along with the built-in mic, stream music wirelessly, or play from USB/TF/aux sources. - Travel, outdoor events, or office meetings: compact PA solution with easy Bluetooth connection and portable setup. - Meetings or classrooms: connect to a TV or PC for presentations and use the microphone for amplification, while USB charging can power your mobile devices.