Sony WH-1000XM4 Wireless Noise Canceling Bluetooth Head

Industry-leading Active Noise Cancellation with QN1 HD Noise Cancellation Processor: Optimizes noise cancellation in motion and adapts to air pressure..LDAC transmits approximately three times as much data (at a maximum transfer rate of 990 Kbps) than conventional BLUETOOTH audio, so you can enjoy Hi-Res audio content at almost the same quality as a wired connection. The advanced Digital Sound Enhancement Engine Extreme (DSEE Extreme) optimizes compressed digital music files to achieve near high-resolution audio quality..Speak-to-Chat automatically stops when you are in conversation. The proximity sensor turns off the earphones when they are no longer worn. Plus, you get extensive intelligent audio capabilities for rich, clear, room-filling sound. Works with Amazon Alexa. Perfect fit in a versatile ear design. With Bluetooth 4.2 and one-touch connection via NFC for wireless music listening..With the multipoint connection, your Sony headphones can be connected to two Bluetooth devices at the same time..Long battery life: up to 30 hours. depending on the mode used. Quick charge: 10 mins. Charge for 5 hours. Musical frequency response: 4Hz - 40,000Hz..Product dimensions: 25.3 x 18.5 x 7.7 cm.Batteries: ?1 lithium-ion battery required. (Not included).Item model number: ?WH1000XM4.Black color.Connector: 3.5mm Klinke.Hardware interface: ?USB.Material type: ?Kunststoff.Size: ?anliegend.Battery type: lithium ion.Item Weight: 254g