Enjoy multi-day audio entertainment with the WH-CH510 Wireless On-Ear Headphones from Sony. These on-ear headphones provide up to 35 hours of continuous playback of your favorite music, podcasts, and more. Audio is pumped through 30mm closed dynamic drivers and streamed wirelessly from your mobile devices via Bluetooth 5.0 technology. If you pair the WH-CH510 headphones with your smartphone, you can also use the built-in mic for hands-free calls. The built-in mic can also be used with your smartphone's voice assistant by double-pressing the Play button, giving you access to asking your device questions, getting step-by-step navigation, playing media, setting reminders, and much more.