The Samsung Level U is an ideal choice for high quality music on the go. Ergonomically designed for long term wear, these headphones feature a flexible urethane joint to wear around your neck and Stabilizing Wing Ear Gels for in-ear comfort. The magnetic earbuds conveniently clasp together, reducing clutter when not in use. Large 12 millilmeter speaker units deliver clear sound and active, dual-mic noise reduction prevents outside noise from interfering with your music or with calls. The high-capacity battery supports up to 11 hours of talk time, up to 10 hours of listening, or up to 500 hours of standby. Quality SoundLarge 12 millilmeter speaker units deliver high-quality, clear sound. The dual-microphone noise reduction and echo cancellation reduce outside sound interference and feedback during calls.Long Battery LifeThe high-capacity battery supports up to 11 hours of talk time, up to 10 hours of listening, or up to 500 hours of standby.