Product Features:
1.It has built-in the high quality noise cancelling circuit inverting precision, with the 23db noise level, and it can effective to cut off 95% background noise.
2.It can prevent the disturb of the AC power supply. When the phone is charged, PC will not have any current sound.
3.Background noise nearly to 0. It can solve the big problem of troubling the biggest slient background noise of the noise cancelling headphone.
4.The noise cancelling diamater is 40mm, pet corona material diaphragm,it can supply the higy quality sound.
5.It used the lithium ion battery,the rated operating time over 30h, and it was recharged without to change the battery.
6.Included two pin of transfer aircraft plug, it can used for the media system when you are the airplane.
Technical indicators:
1. Category: Active noise cancelling headphone
2. Output terminal: 3.5mm mini stereo plug( can choose the plate gold/plate nickel)
3. Power supply: lithium ion battery
4. Battery capacity: 250mAH
5. Working voltage: 3.7V
6. Maximum input power: 400mW
7. Maximum output power: 90mW
8. Noise level: 23db
9. Noise ratio: 50-1200hz
10. Signal to noise ratio(SNR): ≥85db
11. Working time: ≥30h
12. Noise reduction modes: the feedback of before and after combined with the active noise cancelling
13. Speaker diamater: Ф40mm
14. Speaker impedance: 32ohm
15. Speaker frequency response: 20 - 20KHz
16. Speaker sensitive: 115dB
17. Speaker type: Neodymium magnet high-end speaker
18. Beryllium material: pet corona material
19. Beryllium thickless: 19mil
20. Wire length: 1.2m
21. Wire material: tpe shielded wire
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NOISE REDUCTION HEADPHONE #ANC-J2 Images
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