Feature: 1. EASY TO OPERATE: Stream music wirelessly from the for IOS or for Android smartphones to this mixer via Bluetooth, which can easily transfer stream music tunes wirelessly to the mixing board. 2. USB, FLASH CARD READER, MP3 COMPATIBILITY: Connect the mixer to an external USB, computer PC, flash drive or BT device. Use the built in controls to play, pause, skip songs and switch modes. 3. HIGH PERFORMANCE: The mixer is equipped with microphone and stereo line inputs with 48V phantom power buttons, high accuracy LED peak level indicator lights, 99 digital signal processing selection. 4. WIDELY USED: This compact DJ mixer will provide full dynamic control. This versatile mixer is ideal for premium stage shows, live performances and karaoke. 5. USB SOUND CARD AND SOUND INTERFACE: It has a built in USB sound card and sound interface for recording sound and connecting to a PC. It can handle general purpose digital sound files. It has a wide range of compatibility, providing users with more possibilities for recording and editing sound, and is suitable for use by beginners and studio professional applications. Specification: Item Type: Professional Sound Mixer Material: ABS Microphone Input: 10Hz To 200kHz Frequency Response: +14 dB To +60 dB Gain Range: 120 dB E.I.N. Signal To Noise Ratio: Electronically Balanced Stereo Channel Frequency Response: 10Hz To 70kHz Signal To Noise Ratio: 104 dB Input Channel: MIC/Line x2, RECx1, PC, USB, 3.5MM Phantom Power: Support Large Diaphragm Condenser Microphone. Package List: 1 x Professional Sound Mixer1 x Supply Adapter1 x Instruction Manual