Engineered with a rugged and durable design, the KTXPro1 is built to withstand the rigors of daily use. Connect to CD players, cassette players, computers, tablets and laptops with a standard 3.5 mm plug. 60 Ohm Titanium-Coated drivers deliver an ultra-wide frequency response from 15-25, 000Hz. Adjust volume on-the-go with a convenient in-line volume controller. Plush foam cushions and an adjustable headband with a soft, flexible head sling deliver all-day comfort