HE Series headset microphone is ideally suited for vocal sound and speech        
application which  requires much freedom of movement.         
      Especially the smallest size (the smallest capsule diameter of just 3.0mm)and lightest weight are ideal for application requiring minimum  visibility. Suchas    dance and sports instructors;Great for video use , this mini microphone is        
practically invisible.
SPECIFICATION
Element£º    Back Electret Condenser                         
Polar Pattern£º      Omni-Directional               
Frequency Response£º        20Hz-20KHz    ¡¡ 
Sensitivity£º         -42¡À3dB                 
Output Impedance£º       2k¦¸¡À30%        
Max.Iuput SPL:         135dB
Power Supply:         1.5-9V DC                    
Cable:         Ø1.5mm*1.2M                           
Dimension:            Ø3mm
Color:           Skin or Black
Accessories:            Windscreen ,Clip