Ideal for Samsung Galaxy and other select Samsung and Android devices.Connectivity Technology: Wired Noise cancelling reduces surrounding distractions, letting music stand out. Stay Hear+ tips provide long-lasting comfort plus stability Aware mode lets you hear what's around you when you need to, at the touch of a button Exclusive TriPort technology and Active EQ help deliver lifelike, digital-quality audio.Charging time: 2 hours;Battery life: 16 hours per full charge QC®20 headphones are specifically designed to work with selected Apple® or selected Samsung® and AndroidTM devices. An inline microphone and one-touch answer/end button allow for seamless switching between your calls and music. Some phones may require you to hold the answer/end button for a few seconds to perform these functions. Assembled Product Weight:1 Pounds