1. 4 Channel DJ Mixer: The compact mixers have 4 channels, including 2 XLR inputs with +48V phantom power for condenser microphones. Connect various devices like mics, guitars, or speakers to the mixer's input and output jacks, making it ideal for home karaoke, studio recording, and house parties. 2. Audio Mixer with Two Wireless Mics: The sound mixer includes dual wireless microphones, each with its own power and volume controls, providing excellent sound quality and flexibility. 3. Mic A/B Audio and Power Feature: The audio interface operates on selectable frequency groups, with a range of up to 30 meters. These wireless mics are powered by batteries, offering 4 to 6 hours of continuous use ( batteries not included). You can control the volume, FX, bass, treble, and gain from the mixer. 4. Bluetooth and USB Input: Store your favorite music in a USB thumb drive and play directly from it.