The WH-1000XM4 headphones offer improved industry-leading noise cancellation capable of adapting to location as well as behaviour, further improved sound quality through DSEE Extreme and LDAC, and even smarter features such as speak-to-chat functionality, built in Voice Assistant and gesture control, to deliver a flawlessly premium listening experience on our most intelligent headphones yet. Plus, with a huge 30-hour battery life you listen day and night to your tunes in extreme weightless comfort uninterrupted. As of 1st February 2021. According to research by Sony Corporation, measured using JEITA-compliant guidelines. In headband style of wireless noise cancelling headphones’ market. Premium sound quality - these Bluetooth headphones support High-Resolution Audio, and even compressed music files are upscaled using our evolved DSEE Extreme technology. Speak-to-Chat automatically pauses playback when you start a conversation, Wearing Detection powers off your headphones when you’re not wearing them, plus more smart features for a seamless, hands-free listening experience. Headphone Features1.2m cord length. Detachable cord. Detachable cable. Connection: wireless. Bluetooth enabled for a wireless connection to your devices . Connects to devices via NFC. With a 3.5mm jack connection. 3.5mm jack . 40mm driver. In-line with microphone for calls and track control controls. Featuring gesture control. Adjustable headband. Foldable. Active noise cancellation. 10m range. Carry case. Compatible with universal smartphones. Batteries required 1 x rechargeable battery (included) . Rechargeable battery. 30 hour battery life. 180 minute charging time. Fast charge to boost battery life. In the box: USB Type-C Cable (20cm), Audio Cable (1.2m), Carrying Case, In-flight Adapter. General InformationModel number: WH1000XM4S. CE7. Manufacturer’s 1 year guarantee. EAN: 4548736112162.