Immerse yourself in a rich sound with these Monster Cable Headphones. With up to 40 hours of battery life, it's your ideal everyday headphone. These on-ear headphones connect to your smartphone or MP3 player via Bluetooth. Use them to control your music playback and take phone calls. You can even use them with Siri thanks to its on-ear controls. The comfort-cushioned ear cups and adjustable fit make them feel just right. Get the most out of your music with an award-winning, emotionally charged Beats-listening experience using these Monster Cable Headphones.