Comes with charge box, charge cable and replacements. Keep the world at bay with these Sony 1000X wireless noise-canceling headphones. Comfortable and compact, these smart earbuds use Smart Listening by Adaptive Sound Control to adjust settings as you move around, so you stay immersed in music. Tune in and out of your audio track with a single touch via SENSE ENGINE with these Sony 1000X wireless noise-canceling headphones. In-ear design Fits securely and directs music into your ears for full, uninterrupted audio. Bluetooth 4.1 interface with NFC (Near Field Communication) technology Enables simple wireless pairing with your Bluetooth-enabled device. Supports HFP, HSP, A2DP and AVRCP Bluetooth profiles. Noise cancellation Effectively blocks out distracting background noises, so you can enjoy a focused, immersive sound environment. Rechargeable battery Enjoy up to 9 hours of battery life (with charging case), 3 hours of music playback on 1 charge (15 min charge for 75 min of listening). Built-in microphone Enables simple hands-free chatting via a compatible device. Dynamic transducer design For reference-grade audio. Stereo design Delivers crisp tones.