Bang & Olufsen Beoplay H3 In-Ear Headphones - Natural Connectivity Technology: Wired Custom-designed in-ear headphones from B&O PLAY by Bang & Olufsen Crafted from solid block of aluminum B&O PLAY products come with a 2-year limited warranty only when purchased from an authorized dealer including Amazon.com (indicated by ships from and sold by Amazon.com). Ultra-light and provides surprising sound performance Able to reproduce the original sound material as authentically as possible Acoustic design includes a miniature bass port in an internal cabinet, which provides you with great performance in the low frequencies