Sony Noise Canceling Headphones - Black (MDRZX110NC)

Features:
- Over-ear, Noise-isolating Headphones. Connectivity Technology: Wired
- 30mm Neodymium Driver. 110 dB/mW – Power off, 115 dB/mW – Power on
- Up To 80 Hours Of Battery Life
- Frequency response:10-22,000 Hz
- Impedance (Ohm)- Power ON 220 ohm, OFF 45 ohm (at 1 kHz)