Material: ABSColor: BlackFrequency Response: 20Hz~20KHzSNR: 94dBSensibility: 90dB±3dB (IKHZ)Charging Current: 500mAhBattery: 3.7V 1200mAh BatteryWorking 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(one--condenser's, another--moving-coil's), 1 earphone port, 1 speaker port, 1 real-time monitor headset port, 1 accompaniment input, 1 output.WIRELESS BT CONNECTIVITY: the sound card can play music that comes from smartphone, tablet or computer as accompaniment, via wiring or wireless 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 Mixer1 * USB Cable2 * TRRS to TRRS Cable 1 * User ManualNote: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.