1、MULTI FUNCTION: Mixer with digital display MP3 (UDISKMP3 input) and Bluetooth function, mobile Bluetooth wireless connection, play music, karaoke. 2、SIMPLE OPERATION: Small and simple recording sound card, provides a simple and convenient recording process, allowing you to easily record studio sound quality. 3、APPLICATION SCENARIOS: Bluetooth mixer has wide range of use, can be used for live, karaoke, professional recording, guitar playing, home entertainment, etc. 4、4 CHANNELS: Multifunctional four channel mixer, convenient for you to record playing and singing, computer internal recording, recording and arranging music. 5、USB INTERFACE: Mixing board with USB interface, compatible with most U disk, insert the U disk can play songs, can also record songs, just put the sound files into the U disk. Item Type: BT Mixer Material: Aluminum Alloy Number of Channels: 4CH MIC (Microphone): 2 Channel Equalization: 2 Power Consumption: 10W Effect: DELAY 1 x BT Mixer 1 x Power Cord 1 x Instruction Manual