HEIMU  Series Lavalier microphone is Ideal for movable singing and dancing, sport，instructor, record, speech, live, guider etc. Wide and flat frequency. 
Perfect direction restriction of the 180 angle noise.Small size is suitable for invisible
Small and lovely appearance with metal clips can easily be tied to neckties, lapel or cloth.
Easy to operate, can fit any body packaging wireless transmitter or power adapter (power 1.5-10V DC)
     
SE: SENNHEISER type 3.5mm stereo plug
SH:SHURE type 4pin mini XLR(4p)or other
AK: AKG type 3pin mini XLR(3p)or other
AT: Iron triangle mini 4P IN plug
ST: Special thread type 3.5 single plug
     
SPECIFICATION
Element:................................Back Electret Condenser   
Polar Pattern:........................Uni-directional   
Frequency Response...........:50Hz- 16KHz    
Sensitivity:.............................-45dB± 3dB   
Output Impedance:..............2000Ω± 30%   
Max.Input SPL:......................130dB   
S/N Ratio:..............................>70dB   
Power Supply:......................1.5V-10V   
Cable:......................................Φ2*1M   
Dimension:............................Φ3mm  
Accessories:.........................Windscreen