Ultimate Ears™ 300vi Noise-Isolating Headset – get moving with your calls & music. No need to fumble with your iPhone, Black Berry (with 3.5 mm jack) or iPod*. On-cord controls let you take calls, adjust the volume & change tracks on the run. This tough headset has been designed by Ultimate Ears – the choice of the worlds top touring musicians. It wont fall off while youre exercising thanks to the easy-to-use, shapeable ear loops. Made from durable, sweat-resistant materials, your headset can stand up to even your toughest workouts. With five pairs of soft silicone ear cushions from XXS to L, you wont have to worry about getting a long wearing, comfortable fit – even if youve got small ears. Your headset has been tuned for extra bass to keep you rocking. A protective hard case easily fits into your pocket or your bag while youre on the go or at the gym. * Volume control functionality not available with Black Berry devices. Audio is supported by all music-enabled smartphones with 3.5 mm jack. Your headset delivers detailed, immersive sound, crisp calls & noise isolation – & it works with your iPhone, Black Berry, iPod or MP3 player (with a 3.5 mm jack). On-cord controls let you answer calls, change tracks & adjust volume without taking your iPhone, Black Berry or iPod out of your pocket*. Designed by Ultimate Ears means you hear the professional sound preferred by the worlds top touring musicians. Your headset comfortably stays in your ears while youre exercising thanks to the easy-to-use, shapeable ear loops. Durable, sweat-resistant design means it can stand up to even your toughest workouts.