1、[Karaoke Equipment] Live sound card supports dual channel microphones, two microphones can be plugged into the reverb to work together. Support Bluetooth wireless accompaniment, open cell phone Bluetooth connection to use. 2、[Cool Lights And Long Battery Life] This live sound card is designed with colorful lights with multiple effects, modes that change with the music to create a party or bar like ambient effect. 1200mAh high capacity battery, supports Type C charging. 3、[Multi Function] The sound mixer is designed with knobs to support elimination of original sound, live singing, one key avoidance, and real time monitoring. Powerful quad core DSP chip, signal stability, no latency, RT noise reduction to improve 50%. 4、[Compatible Devices] Compatible with dual cell phones, cell phone computer synchronization and a computer live, computer accompaniment cell phone live, instrument input cell phone live. Support for Android, for iOS devices, cell phones, computers, for PS4 and other games to change the voice. 5、[Applications] Sound mixer board is perfect for live streaming, podcasts, for YouTube type videos, online games, studio music recording, etc. Supports two microphones connected at the same time, treble, midrange, and bass can be adjusted independently.