Material: ABS Color: Black Frequency Response: 20Hz~20KHz SNR: 94dB Sensibility: 90dB±3dB (IKHZ) Charging Current: 500mAh Battery: 3.7V 1200mAh Battery Working Temperature: 0℃~60℃ Features: PROFESSIONAL SOUND CARD: this sound card, with powerful DSP chip, delivers stable signal for superior, clear sound quality, offers a full, intuitive control to optimize the sound. SOUND EFFECT: it has 12 special effects to create wanted atmosphere, 4 interesting modes, 3 magic sound patterns(male / female), very suitable for live streaming. MORE FUNCTION: press to switch among 12 electronic tones, eliminate vocal of accompaniment; rotate to adjust volume levels, denoise, control echo / treble / bass for various sound effect. MULTIPLE INTERFACES: there is 1 USB port, 2 mic inputs(--condenser's, another--moving-coil's), 1 earphone port, 1 speaker port, 1 real-time monitor headset port, 1 accompaniment input, 1 output. BT CONNECTIVITY: the sound card can play music that comes from smartphone, tablet or computer as accompaniment, via wiring or connection, very convenient. GOOD DESIGN: featured with light weight, compact size, built-in rechargeable battery, it is used anytime anywhere; additionally, it looks nice, cool by luminous button. Packing List: 1 * Sound Card Mixer 1 * USB Cable 2 * TRRS to TRRS Cable 1 * User Manual Note: Sound card, cables only, others in pictures are not included. Due to manual measurement, there may be deviation. Due to lighting or other reasons, it may slightly differ from pictures. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.