Sony WH-1000XM4 Wireless Premium Noise Canceling Overhead Headphones - 30hr Battery Life, Over Ear Style with Mic for Phone-Call and Alexa Voice Control - Black International Version

Noise cancellation, powered by HD Noise Cancelling Processor QN1. Industry-leading noise canceling with Dual Noise Sensor technology,Specific uses for product Audio Frequency Response 4Hz-40,000Hz. Headphone Type Closed, dynamic. Frequency Response: 4 Hz-40,000 Hz, Sound quality - these Bluetooth headphones support ideal Resolution Audio, and even compressed music files are upscaled using evolved DSEE Extreme technology. Up to 30-hour battery life with quick charging (10 min charge for 5 hours of playback), Speak-to-Chat automatically pauses playback when one start a conversation, Wearing Detection powers off headphones when not wearing them, plus more smart features for a seamless, hands-free listening experience. The WH1000XM4 Touch Sensor controls to pause play skip tracks, control volume, activate your voice assistant, and answer phone calls., With multipoint connection, Sony headphones can be paired with two Bluetooth devices at the same time, Bluetooth version: 5.0 and frequency range: 2.4GHz band (2.4000GHz-2.4835GHz), Effective Range : Line of sight approx. 30ft (10m), Driver Unit : 40mm dome type (CCAW Voice coil), Plug : Gold-plated L-shaped stereo mini plug, Cord Length : Headphone cable (approx. 1.2m, OFC strands, gold-plated stereo mini plug)