Able Planet NC200 - Manual (Page 7)

ADDITIONAL NOTES:
The noise cancelation feature will work with or
without source plugged in.
The headphones will work with our without the
noise cancelation feature on.
Battery life is around 30 hours
Length of cord – 5 Foot
Airline Adaptor: Most airlines are using standard
headphone plugs so a two prong adaptor is not
necessary – this product should work with the
need for an adaptor.