How to check battery status on headphones

[Likethat]

Hello i have the Corsair Vengeance 2100 wireless headphones.

I have no idea how i can check to see how far i am with charging the battery, does anyone know if it is possible?

 

[das_stig]

Software download from Corsair ?

http://www.corsair.com/en/support/downloads

 

[Likethat]

I downloaded it, but I can't find such a feature.