Sony WH-1000XM4 Wireless Premium Noise Canceling Overhead Headphones with Mic for Phone-Call and Alexa Voice Control, Midnight Blue WH1000XM4 Brand Sony Color Midnight Blue Ear Placement Over Ear Form Factor Over Ear Impedance 32 Ohm Noise Control Active Noise Cancellation ACTIVE NOISE CANCELLATION: Premium noise canceling with Dual Noise Sensor technology LONG BATTERY LIFE: Up to 30-hour battery life with quick charging (10 min charge for 5 hours of playback)(USB Type-C Cable included) TOUCH SENSOR CONTROLS: Pause play skip tracks, control volume, activate your voice assistant, and answer phone calls. SPEAK-TO-CHAT: Automatically reduces volume during conversations SUPERIOR CALL QUALITY: Precise voice pick up combines five built-in microphones with advanced audio signal for clear calls WEARING DETECTION: Pauses playback when headphones are removed MULTIPOINT CONNECTION: Seamless multiple-device pairing ADAPTIVE SOUND CONTROL: Provides a personalized listening experience COMFORT: Updated design relieves pressure for long-lasting comfort EDGE AI: Co-developed with Sony Music Studios Tokyo, DSEE Extreme (Digital Sound Enhancement Engine) upscales compressed digital music files in real time. These are in like new condition and have been used less than 10 times