New JVC Earphones HA-NCX77 Noise-Canceling Headphones c

New JVC HA-NCX77 Noise-Canceling HeadphonesForiPod MP3 MP4 CD DVD PSP Product Features  HA-NCX77 from JVC is the high quality noise-canceling earphones with a powerful adapter. The advanced noise-canceling system can decrease outside noise by 1/5. With only 2 batteries, the noise-canceling function will last 70 hours providing crystal clear sound without unwanted noise. Adopting a volume control for the smooth and warm bass. JVC's HA-NCX77 will stay comfortable in the ears allowing users to enjoy their music for a long period of time. Stylish design for the earphones and a slim body for the adapter.     Specifications: Type: Dynamic type Playback frequency zone: 8 Hz ~ 24,000 Hz Output overpressure value: 90 dB/1 mW (ON) | 91 dB/1 mW (OFF) Maximum permissible input: 200 mW (IEC & standard) Noise oppressing quantity: 14 dB or more (at 120 Hz) Power source: DC 1.5 V single 4 shape dry cell battery Electric battery duration: 70 hours (alkaline dry cell use) Cord/c ... Read More