Feature: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.Specification:Item Type: BT MixerMaterial: Aluminum AlloyNumber of Channels: 4CHMIC (Microphone): 2Channel Equalization: 2Power Consumption: 10WEffect: DELAYVoltage: 100-240V.Package List:1 xBT Mixer1 x Power Cord1 x Instruction Manual