Sony's MDR-ZX770BN Wireless Noise Cancellation Headphone eliminates a variety of ambient noise through powerful drivers and bass frequencies, allowing you to enjoy music and enjoy everyday listening. With built-in Bluetooth and NFC one-touch listening, you can enjoy music without the hassle of cables.

NFC Bluetooth connectivity made easy with one touch.

Amazingly clean digital noise cancellation technology.

Beat Response Control technology reduces bass distortion.

Lightweight headphones with excellent portability.

Driver unit: 40mm dynamic-domed type

Frequency response: 8 - 22000Hz

Sensitivity: 98dB / mW, 100dB / mW

Impedance: 23 ohms at power on, 50 ohms at power off

Volume Control: Support

Cord length: 1.2m

Plug: Gold-plated L-shaped Stereo Mini

Microphone unit: Electric condenser microphone

Inline microphone direction: omnidirectional