About this item NOISE ISOLATING FIT. Experience pure comfort and effortless sound. Jib USB-C comes with 3 different-sized ear gels to help you find your perfect fit. USB-C CONNECTION. Plug in to your phone for a direct connection every time. IN-LINE MICROPHONE. Take calls directly from your mobile device. Easily switch between audio and calls. CALL AND TRACK CONTROL. Play and pause your music or skip forward to the next track. Dimensions: 5.71 x 2.76 x 0.91 inches.