Specifications:  112 kinds of electric sound, 18 kinds of sound effects, 6 kinds of effect modes.  Reverberation size adjustment, microphone volume adjustment, high bass adjustment, recording volume control, music volume control, monitoring volume control (earphone function).  Support mobile phone computer use, support the use of single headset.  7 kinds of connecting methods: one cell phone K song live, double cell phone live, three mobile phone live, mobile phone computer synchronous live, one computer live, computer accompaniment cell phone live, instrument input cell phone live.  Bluetooth function  Microphone material:steel mesh + zinc alloy tube Frequency response:20 hz-20khz Sensitivity:45 dB ± 1 db Output impedance:150Ω ± 30% (1 khz) Load impedance:≥1000Ω Equivalent noise level 16 dba Current:3mA Signal to noise ratio:78 decibels Microphone output interface 3.5 mm Cable length:1.8m  packing list 1 x Sound Card 2 x Audio Cables 1 x USB Cable 1 X Black / Gold zinc alloy microphone  1 X Black anti-spray net 15.5cm 1 X white USB sound card 1 X Black plastic shock frame 1 X Black microphone windproof cotton 1 X Black iron clip base 1 X Black audio cable 1.8M 1 X Black bracket 38 * 37cm 1 X English instruction manual （Does not include other displayed accessories）