Bose QuietComfort 2 specs

General

• Recommended Use The noise canceling feature blocks the din on buses and airplanes. Plus, they are portable for easy transport. Active noise canceling technology makes these circumaural headphones ideal for commuting and air travel.
• Product Type Headphones
• Additional Features Battery level indication

Headphones

• Headphones Type Headphones - Binaural
• Headphones Form Factor Ear-cup
• Connectivity Technology Wired
• Sound Output Mode Stereo
• Active Noise Canceling Yes

Remote Control

• Type None

Connections

• Connector Type 1 x Headphones ( Mini-phone stereo 3.5 mm )

Miscellaneous

• Cables Included 1 x Headphones cable - External - 5 ft,
  1 x Headphones extension cable - External - 20 ft
• Included Accessories 6.3 mm (1/4") stereo adapter,
  Carrying case,
  Airplane adapter,
  Ear cushion

Power

• Power Device None
• Battery Standard battery - AAA type