Item Type: Mini Sound MixerMaterial: Aluminum AlloySupport: Microphone XLR Input, 6.3mm Sound, RCA Input, 3.5mm Headphone OutputMP3 Player: Can Be Connected to U Disk Playback, Support BTPackage List1 x Mini Sound Mixer1 x Instruction Manual1 x USB Cable1Lossless: The mini mixer provides lossless sound quality and can be read and played quickly, providing you with a better experience. 2Connection Method: Mini sound mixer supports Bluetooth connection for fast playback. It can also be connected to a U disk for playback, plug and play. 3Multiple Power Supply: The mixer board supports three types of power supply, power cord, power bank and computer, suitable for indoor and outdoor use. 4Professional And Convenient: Small and simple recording sound card provides a convenient recording process, allowing you to easily record studio sound quality. 5Multifunctional: This mixing board supports microphone XLR input, 6.3mm sound, RCA input and 3.5mm headphone output, support headphone monitoring.