SE112 Professional Sound IsolatingEarphones provide great sound and durable build quality through a single, dynamic driver. Discrete, secure design includes a fixed, 3.5 mm (1/8) audio cable that can be worn over the ears or hanging down based on preference. Sound Isolating technology blocks up to 37 dB of outside noise. Includes a carrying pouch and fit kit with selection of sleeves for custom fit. Single dynamic driver delivers great sound performance in a discrete, durable design. Sound Isolatingdesign featuring fit kit with a variety of sleeves blocks up to 37 dB of outside noise so you can hear the details of your music. Fixed cable design allows for earphones to be worn over the ear or hanging down for long-wearing comfort. Includes a carrying pouch and fit kit with selection of sleeves. Designed to withstand the rigors of live performance with two-year warranty.