Item Type: Sound Mixer BoardMaterial: ABSColor: BlackBattery Type: Built in 500mAh Lithium Ion Battery (included)Package List1 x Sound Mixer Board1 x Sound Cable1 x Data Cable1 x Instruction Manual1PLUG AND PLAY: Live sound card is small, portable, plug and play, and easy to use. Simply connect it to other devices and the sound will change as you go along. Perfect for indoor and outdoor use. 2NOISE REDUCTION: Broadcast sound card supports one button intelligent noise reduction, effectively filter out AC interference, shield the external environment noise, the sound signal is clearer and more stable, the sound is cleaner. 3INTELLIGENT CHIP: Sound board uses an intelligent processing chip to adjust the rhythm, so that the signal is stable and clear, and the output is better. It also supports Bluetooth compatible wireless. Support dodging and one key to eliminate the original song. 4WIDE COMPATIBILITY: Sound mixer board supports 99% of APPs on the market, compatible with cell phones, computers and tablets. Use for DJ, condenser microphone, online karaoke, podcast microphone, singing, Karaoke, live for Youtube streaming, guitar, etc 5MULTI EFFECTS: Sound mixer has 8 kinds of sound effects, 16 kinds of special effects ambience, new warming ambience sound effects, active your live room ambience, so that you are no longer awkward in between live.