BOSE QuietComfort 3

Acoustic Noise Cancelling headphone technology
A proprietary Bose innovation, electronically identifies and reduces noise while faithfully preserving the audio or tranquility you desire.
Compact on-ear design
With proprietary soft cushions that establish a critical acoustical seal helping to further reduce noise while providing a comfortable fit.
TriPort acoustic headphone structure
Another Bose exclusive, features tiny vents in the ear cups to enable a tonally-balanced audio performance including reproduction of deep, low notes?from relatively small and lightweight headphones.
Active equalisation
Electronically tunes the headphones? frequency response, enabling outstanding audio performance.
Rechargeable lithium-ion battery
Provides an average of 25 hours of reliable use per charge. A small wall-socket charger is also included.
Single, detachable audio cable
Offers greater convenience than standard Y-cables.
Fold-flat earcups
Rotate 90 degrees for easy storage and portability in the included case.
Slim carrying case
Helps protect headphones and accessories during travel.

Dimensions (H x W):
Overall headphone dimensions 19 x 13.5cm
Ear cushion outside dimensions 7.5 x 6cm
Weight with cables 159g
Battery output power 3VDC, 200mAh
Battery life Approximately 25 hours per charge; 500 charging cycles

What?s In the Box