JBL EVEREST™ 310GA Wireless on-ear Headphones Enjoy a long-lasting portable audio experience with the brown Everest 310GA Wireless Over-Ear Headphones from JBL. These headphones feature dual 40mm drivers, which help deliver JBL's signature sound quality. The 310GA connects to your mobile device using Bluetooth 4.2, enabling you to stream audio wirelessly. You can also enjoy a wired audio experience with the included detachable audio cable. In addition to music playback, the 310GA features an integrated, echo-canceling microphone that allows you to make and receive hands-free calls and interact with Google Assistant on compatible devices. Simply touch the earcup to activate. The Everest 310GA's built-in rechargeable battery lasts for up to 20 hours and can be quickly recharged in only 2 hours. A charging cable, audio cable, and carrying case are all included. Google Assistant Touch sensors on the earcups activate the built-in microphone for access to Google Assistant on your paired mobile device. Once engaged, you can speak commands to your mobile device and control hands-free calls and audio playback. You can also receive notifications, ask questions, and more, just like using Google Assistant directly on your smartphone or tablet.