Sony Wired Noise Canceling Headphones Black MDR-ZX110NC

We offer a wide variety of products, and the following precautions apply to some of them. Please note that they are listed for all products. 【Voltage Compatibility】Designed for Japanese voltage (90-110V). Using with a different voltage may cause malfunction. 【Plug Type】Japanese plugs (A or B type). Use a conversion adapter if needed. 【Transformers & Adapters】Transformers adjust voltage; adapters only change plug shape. Using an adapter without a transformer may damage the product. 【Liability】We are not responsible for damages caused by improper use, such as using the product without a transformer. Included items: Single 4-type manganese battery, aircraft plug adapter Model: Closed dynamic type Driver unit: 30mm dome type Sensitivity: 115dB/mW (when powered on), 110dB/mW (when powered off) Magnet: Neodymium Playback frequency band: 10Hz - 22,000Hz Impedance: 220Ω (at 1KHz) (when power is on), 45Ω (at 1KHz) (when power is off) Cord length: approx. 1.2m/cord type: Y type Power source: AAA batteries Has noise canceling function