Retails for $350. Brand new in box. Never opened but plastic wrapper on box is torn. You can see it in the photo. Listen to your playlist in peace with these Sony headphones. They have a 40mm dome driver to deliver the full depth of audio, and the noise cancelling feature minimizes outside disturbances for a better listening experience. These Sony headphones have a battery life of up to 30 hours for extended jam sessions. Over-the-ear design For a secure fit. Bluetooth 4.1 interface with NFC (Near Field Communication) technology Enables simple pairing and wireless streaming with compatible devices from up to 33' away. Supports HFP, HSP, A2DP, AVRCP and LDAC Bluetooth profiles. Noise cancellation Effectively blocks out distracting background noises, so you can enjoy a focused, immersive sound environment. Rechargeable battery Offers up to 38 hours of use on a charge. 3.5mm connector Enables flexible connection options. Built-in microphone Enables simple hands-free chatting via a compatible device. 40mm drivers Deliver powerful sound. 4Hz - 40kHz headphones frequency response Along with a 50Hz - 8kHz microphone frequency response ensures faithful sound reproduction. 46 ohms impedance To efficiently conduct power. Dynamic transducer design For reference-grade audio. 103dB/mW sensitivity Provides powerful audio. Stereo design Delivers crisp tones. Carrying pouch included