Sony MDR-NC22/BLK Noise Canceling Earbud Stereo Headphones w/3.5mm Jack- Airplane Adapter & 3 Sizes

Sony MDR-NC22/BLK Noise Canceling Earbud Stereo Headphones General Features: 3.5 mm jack Integrated clip Magnet: Neodymium Type: Dynamic, closed Cord: 59-inches, approximate Black and Silver color scheme Power Handling Capacity: 50mW Frequency Response: 8 - 22,000 Hz Plug: Gold-plated L type stereo mini plug Impedance: 20Ω at 1 kHz (when the power is on) 8.5Ω at 1 kHz (when the power is off) Sensitivity: 102 dB/mW (when the power is on) 100 dB/mW (when the power is off) Soft Drawstring Carrying Pouch included Driver units: 13.5 mm, dome type (CCAW adopted) Plug adapter for in-flight use (single/dual) included Closed type headphone structure delivers deep bass Battery Life: 50 Hours with alkaline battery (approximate) Three sizes of earbuds included (Small, Medium, Large) Frequency Range: 50 - 1500Hz more than 12 dB at 200 Hz* These ultra compact headphone fit comfortably inside the ear Power Source: DC 1.5V, 1 x R03 (size AAA) battery (not included) Noise Canceling On/Off switch on battery box - Red LED means ON Reduces noise up to 87.4% (9 dB at 300 Hz) when noise canceling is on These headphones can operate as passive headphones when the noise canceling circuit is not activated. It allows the headphone to function as regular stereo headphones without using the battery. Built-in monitor function allows you to hear surrounding sound without taking off the headphones Regulatory Approvals: CE FCC Package Includes: Sony MDR-NC22/BLK Noise Canceling Earbud Stereo Headphones Three (3) sizes of earbuds Operating Instructions Airplane plug adapter Carrying pouch Additional Information: Notes: Model: MDR-NC22 P/N: MDR-NC22/BLK *Range of Active Noise Attenuation Product Requirements: One (1) AAA battery (not included) Audio device with 3.5 mm jack Informational Links: Sony Specifications