Features:
Brand New, High Impact, Light Weight.
High quality speaker and microphone provides clear audio communication.
Comfortable to wear for long time.
Coil cord allows flexible extension from the radio to suit your performance.  

Specification:
Model: MH-31B8
Product size: about 90 * 55 * 30mm/3.54*2.16*1.18'' (without line length)
Line length: natural shrinkage about 50cm/19.68'', stretch to the maximum length: about 1.5m/4.9ft

Compatible with Radio models as follows: 
Yaesu FTDX1200,FTDX3000D,FTDX5000MP,FT-840,FT-847,FT-920,FT-950,FT-990,FT-1000 Series,FT-2000 Series,FT-DX9000

Package Contents:
-1X MH-31B8 Microphone.