Package Include:<br />1 x Headphone<br />1 x USB Cable<br />1 x Manual<br /><br />Features<br />1. ANC circuitry that effectively reduces environmental noise by 85%.<br />2. 40mm drive unit， diaphragm with high-end corona material， for high definition and high quality sound.<br />3. 3.7V， 120mAh lithium battery power supply， for more than 14h working hours. No need to replace the battery repeatedly.<br />4. Two modes for selection， noise reduction and normal mode， easy to switch.<br />5. Supports microphone call， answer / hang up， pause / play function.<br />6. Full cover earmuffs design， filled with sponge， soft and comfortable， long time to wear with no tiredness.<br />7. Foldable design， four folding methods， easy to carry， is ideal for travel.<br />8. Coupled with two-pin transfer aircraft plugs， can be used in the cabin's entertainment system， the real aviation noise reduction headphones.<br />9. Ideal for use with Apple iPod， iPhone and iPod touch portable music and DVD players， laptop computers， in-flight entertainment systems and other devices.<br /><br />Specifications:<br />1. Category: ANC active noise reduction headphones<br />2. Input terminal: 3.5mm mini stereo plug<br />3. Power supply: lithium battery power supply<br />4. Battery capacity: 120mAH<br />5. Working voltage: 3.7V<br />6. Maximum input power: 400mW<br />7. Maximum output power: 90mW<br />8. Noise reduction level: up to 18db<br />9. Noise reduction band: 50-1000khz<br />10. Signal to noise ratio (SNR): ◎ 85db<br />11. Rated working time: ◎ 14h<br />12. Noise reduction mode: After the feedback beam active noise reduction<br />13. Speaker diameter: ?40mm<br />14. Horn impedance: 32ohm<br />15. Speaker frequency response: 20 - 20KHz<br />16. Speaker sensitivity: 110dB<br />17. Microphone sensitivity: -40db<br />18. diaphragm material: pet corona material<br />19. Film thickness: 19 mil<br />20. Wire length: 1.2m<br />21. Color: Black