Biensound B9 In-Ear Noise Isolating Headphones with Memory Wire and In-line Microphone - Clear Secure over-the-ear fit with memory wire never falls out Ergonomic earpiece design and sweat-proof headphones provides long-term wearing comfort Inline microphone, remote, and universal volume control for headset use Noise isolating in-ear design with energetic sound and enhanced bass Works with any Apple iPhone iPad iPod Smartphones Music Players and other devices