Package contents:
*MDR-NC600D Headphones
*AC Adapter (100-240V)
*Airline Plug Adapter
*Carrying Case
*Plug Adapter
*Detachable cord (1.5m and 0.5m)
*Cord with battery case
*Battery
Supplied AC adaptor (to charge the headphones) will work at 100 to 240 volts (worldwide).
Specifications
* Reduces noise by 99% when noise canceling circuit is switched on
* 40mm driver units produce powerful sound with space left over for the sonic isolation of these silicon designed ear buds
* Ideal for music lets you listen to music through the headphones, while the noise canceling circuit reduces outside sound
* Lithium Ion Rechargeable battery is built into the headphones and can be charged with the supplied AC adapter. Also comes with a battery case for use with normal batteries
* Sensitivity 102dB/mW (when power is on)
* Frequency Response 5-24,000Hz
* Maximum Input 100mW
* Cord length 0.5m and 1.5m (1.5m cord with battery case included)
* Weight: 225g