Rockville RAM12BT V2 is a pro audio speaker with a built-in Bluetooth module and TWS wireless stereo linking, making it capable of producing powerful, high-quality sound while allowing for a variety of connectivity options. Whether you're a musician, DJ, or simply enjoy listening to music, the RAM12BT V2 has something to offer. With its built-in rechargeable battery, you can take your music anywhere you go without having to worry about finding an outlet. And with its included wireless microphones, you can easily set up a karaoke system or give a presentation without having to worry about tangled wires.