Experience the true definition of Extra Bass with the Sony MDR-XB650BT Wireless Headphones. The Neodymium dynamic drivers deliver unrivalled sound. It also contains an omnidirectional microphone built into the headband. This headphone will sit comfortably over your head with minimized head-band vibration. Excellent Bluetooth connectivity allows you to easily connect these headphones to various devices like mobile phones, Laptops, tablets and other such Bluetooth enabled devices. A frequency range of 20 Hz to 20,000 Hz will ensure a pleasurable listening experience. Punchy extra bass 2 sound with wireless freedom and long-listen comfort.