1. Powerful Sound System for precise sound with balanced volume and no noise. 2. Dual Wireless UHF microphones with advanced audio technology for clear sound transmission and seven sound effects. 3. Versatile Connectivity with Bluetooth 5.0, Micro TF card, Flash USB, and AUX-in connectivity, compatible with various devices. 4. Fun LED Lights that change with the music beat, great for parties and gatherings. Also, the set has a long-lasting battery life of up to 8 hours and is portable for indoor and outdoor events. After-Sales Service:If you have any questions, please contact us and we will satisfy you with professional service.