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. 1 x Live Sound Card2 x 3.5mm Sound Cable1 x Type C Charging Cable1 x Instruction Manual Item Type: Live Sound CardMaterial: Plastic, ElectronicsProduct Model: X9Live Streaming Interface ( 3.5mm) x 2Headphone Jack ( 3.5mm) x 2Music Interface ( 3.5mm) x 2Microphone Interface ( 3.5mm) x 1Microphone 1/4in Sound Interface ( 3.5mm) x 1OTG Interface (TYPE C) x 1Charging Interface (TYPE C) x 1SNR (D, a): 108dbSNR (a, D): 102dBDynamic Range(D, a): 108dbDynamic Range(a, D): 102dBTotal Harmonic Distortion (D, a): - 92dBTotal Harmonic Distortion (a, D): - 90dBBattery Type: Built in 1200mAh Polymer Lithium Battery (Included)