The JBL's TUNE 115 TWS wireless Bluetooth in-ear NC headphone earbud for listening to music or receiving calls. Dual Connect allows you to utilise either earbud, or both, in stereo or mono mode, at any time. And the battery life keeps up with you , as you can keep one earbud charging, while using the other one. With JBL Pure Bass, your favourite musicians sound great. This audio monitoring allow user to keep the fun going all day and night with a battery life of up to 21 hours and a comfortable fit, and can use finger to make and receive calls, as well as converse with voice assistant.