Hi Candew, Awesome! We're glad that you like the sound quality of the headphones. Intelligent and intuitive, the WH-1000XM4 headphones offer further improvements to our industry-leading noise cancelation, exceptional sound quality, and smart listening that adjusts to your behavior and your location. Using the Sony Headphones Connect app, Ambient Sound Control lets you adjust the volume of background sound and gives you the option to allow voices alone to be heard. Meanwhile, the Equalizer lets you customize sound levels to suit your music. Thanks for choosing Sony. ~Ralph

Hi marknavila, We are sorry to hear that your wife find them difficult to pair and switching from sources. Allow us to help nd turn your experience around. For pairing issue, please ensure to bring the headset and the Bluetooth device within 1 m (3 feet) from each other. The headset automatically enters pairing mode when pairing for the first time after purchasing, initializing, or repairing the headset. To pair a second or subsequent device, press and hold the (power) button of the headset for 7 seconds or more to enter pairing mode. When pairing a device once again after initializing or repairing the headset, you may be unable to pair the device if it retains pairing information for the headset (iPhone or other device). In this case, delete the pairing information for the headset from the device and pair them again. For more details, please check here: https://helpguide.sony.net/mdr/wh1000xm4/v1/en/contents/TP0002752754.html I hope this helps but if you still need assistance, do not hesitate to drop us an email at socialsupport@am.sony.com with the following details: Name: Username: Model Number: Issue: Telephone Number: Sincerely, Erin

Hi COLRJB55, We're glad that you like the sound quality of the headphones. It's unfortunate that the unit is no longer charging. Make sure to check the following: -The supplied USB cable is used for the connection. -The cable connection is secure. -Make sure that the USB AC adaptor is firmly connected to the AC outlet. -When charging the headset through a USB port on a computer, try the following as well: *Make sure that the computer is turned on. *If the computer is equipped with multiple USB ports, use another port. *Connect the headset directly to the computer without using a USB hub. *If the computer is in Standby (Sleep) or Hibernate mode, place it back to normal mode. *If the computer is running on Windows 8.1, use Windows Update to update the operating system. Resetting and initializing the headset may also help resolve the issue. Please refer to these links: https://helpguide.sony.net/mdr/wh1000xm4/v1/en/contents/TP0002752743.html https://helpguide.sony.net/mdr/wh1000xm4/v1/en/contents/TP0002752746.html The unit comes with a 1-year manufacturer's warranty. If still not resolved, please email the below information to socialsupport@am.sony.com. Full Name: Sony.com Username: Telephone Number: Sony Headphones Model Number: Issue: Additional Information regarding your experience with your WH1000XM4. Sincerely, -Ralph Sony Social Support