Feature:    

Fashionable and practicable design
Nice shape and unique style
High quality and durable
Light weight and portable
Combined both wired and wireless functions    

Specification:    

The length of the Microphone Cord:2.5m
Package weight:9.3 oz/263g
Microphone sensitivity: -54dB??3dB(0dB=1V/Pa)
Directivity: Un-directional
Frequency response: 100Hz-10,000Hz
Out put impedance: 600ohm
Operating voltage: DC 1.5V
Working distance: 8-20m
Impedance:600 ohm
S/N ration:?R60dB
Reception sensitivity:30dB/uV    
 

Warranty 3 months