Sony/Sony WH-1000XM4 head-mounted active noise reduction wireless bluetooth headset bass computer headset

  product information Name: WH-1000XM4 Brand: SONY/Sony   Color: Black | Platinum Silver Introduction: Newly upgraded HD noise reduction processor QN1 / adjustable digital noise reduction / intelligent hands-free conversation / about 30 hours of battery life Usage time When connected via a Bluetooth device:Music playback time: about 30 hours (AAC/NC on), about 38 hours (AAC/NC off)Communication time: about 24 hours (NC on), about 30 hours (NC off)Standby Time: Approx. 200 hours (NC off)When connected via a headphone cable while NC is on: Approx. 22 hoursNote: Depending on the codec and usage, the usage time may be shortened About 3 hours of charging time (about 5 hours of music playback after about 10 minutes of charging.)Note: Charging time and usage time may vary depending on usage.     What's included: Stereo headphones/USB Type-C® cable (USB-A to USB-C®) (about 20 cm)/Headphone cable (about 1.2 m)/ Carrying case/plug adapter for aircraft*4