JBL TUNE 310C USB TYPE-C IN-EAR HEADPHONES Introducing JBL Tune 310C USB-C in-ear headphones. They’re lightweight, comfortable, and compact. A pair of 9mm dynamic drivers punch out powerful JBL Pure Bass Sound, while the High-Resolution Audio support ensures great sound quality. A USB-C connection makes them compatible with a large variety of devices like PCs, mobiles, and gaming devices. In addition, the three-button remote on a tangle-free flat cable lets you control music playback and volume adjustment, EQ presets, as well as answering calls on the fly with a built-in microphone. All this makes the JBL Tune 310C USB-C your everyday companion, at work, at home, and on the road.