Rechargeable Professional Speaker is perfect for events and parties, offering high-quality sound with a peak music power output (PMPO) of 40000W. It supports Bluetooth, FM radio, USB, and TF card input, making it versatile for various audio sources. The speaker features True Wireless Stereo (TWS) technology for pairing with another speaker to create a stereo sound experience. It comes with a wireless microphone, making it ideal for karaoke and public speaking. The 7.4V/3000mAh lithium battery provides long-lasting power, ensuring the party doesn t stop.