Dimensions & FAQs QuietComfort Bose QC 3 Noise Cancelling headphones

Dimensions
Overall headphone dimensions
7.38″H x 5.25″W ( 19 cm x 13.5 cm )

Ear cushion outside dimensions
2.88″H x 2.25″W ( 7.5 cm x 6 cm )

Weight with cable
5.1 oz (145 g)

Battery output power 3.7VDC, 200mAh

Battery life Approximately25 hours per charge; 500 charging cycles

FAQs
Are QuietComfort 3 headphones noise cancelling?
Yes. Proprietary Acoustic Noise Cancelling headphone technology electronically identifies and dramatically reduces noise—while preserving the audio or tranquility you desire.
Do Bose QC3 headphones use batteries?
Bose QC3 headphones come with a rechargeable lithium-ion battery and charger. You can expect an average of 25 hours of use per charge.
Will these headphones work with my MP3 player?
Yes. The Bose QC3 audio cable fits directly into most MP3 players, including Apple® iPhone™ and most iPod® models.
Will they work with my mobile phone?
It’s likely, yes. The optional Bose BQC3 mobile communications kit lets you use these headphones with a wide variety of popular mobile phones. View compatible mobile phones »
Are these headphones wireless?
Not in the conventional sense. The included cable must be used to hear audio from portable media players, home stereos, laptops and the like. If you simply want to use the headphones to reduce background noise, however, no audio cable is needed.
Do the headphones need to be turned on to listen to an audio source?
Yes. Turning on the power switch lets you hear your audio source and enjoy the added benefits of reduced background noise.

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