The Sony MDR-XB950 Wired Over Ear headphones feature a 40mm driver size, a frequency range of 2.4GHz-2.4835GHz, and extra bass for enhanced sound quality. With a sleek black design and built-in microphone, these headphones offer a comfortable headband form factor for long listening sessions. Designed by Sony, a trusted brand in consumer electronics, these headphones provide a high-quality audio experience with a 3.5mm jack connectivity for easy compatibility with various devices. Perfect for music lovers seeking a reliable and stylish pair of headphones.