Enjoy complete wireless freedom with the tune 120tws wireless in-ear headphones from jbl. Jbl engineered the tune 120tws headphones to playback your favorite audio with 5.8mm drivers and jbl pure bass sound technology. Together they help to provide a powerful punch to your portable playlists. Even though the 120tws earbuds are extremely compact, built-in controls let you manage playback and give you one-button access to siri or google assistant. Hands-free stereo calls the tune 120tws in-ear earbuds feature a built-in microphone to allow for wireless, hands-free calling when paired with a smartphone. 4-hour battery + charging case these jbl truly wireless earbuds are designed to run for up to 4 hours when fully charged. When stored inside the included charging case, the built-in battery can provide you with up to 12 additional hours of battery life. If you're in a rush, the charging case can provide the earbuds with 1 hour of playback on just 15 minutes of charging.