1. Dual Microphones for solos, duets, and rap battles. 2. Multiple Playback Modes including Bluetooth, USB, AUX, FM radio, Micro-SD, and PA portable. 3. Color-Shifting LED Ring Light that syncs with music rhythm for an immersive karaoke experience. 4. Lightweight and Portable with 2-hour rechargeable battery, carry handle, and strap for easy transport to home, parties, and outdoor events. After-Sales Service:If you have any questions, please contact us and we will satisfy you with professional service.