This Speaker Features Powerful Bass, Is Ideal For Gyms, Dance Studios, Conference Rooms, And Is A High-Power Wireless Speaker Suitable For Outdoor Use. It Has A Knob-Style Design, Karaoke Function, And RGB Lighting Effects. Perfect For Home, Outdoor, And Party Use, It Includes A Portable Wireless Microphone For Karaoke, And Supports USB, AUX, Type-C, TF Card, MP3, And USB Flash Drives. It's A Modern Audio Device.