Specification Product size: 143*30mm Sound head type: Capacitance Polar Pattern: Omni-directional Polar Pattern (type o) Sensitivity: -38dB/Pa(0dB=1V/Pa) Output power: 25mW(32Ω) Max sound pressure:112dB(THD=5%) Power supply mode: Built-in lithium polymer battery Power capacity: 400mAh/3.7V Charge power: USB 5V What's inside the box? ● 1 X Microphone with Stand and Filter ● 1 X User manual ● 1 X USB cable ● 1 X Adapter cable ● 1 X Audio cable