The Sony MDR-ZX310AP in blue is a pair of closed-back, on-ear wired headphones designed for versatile daily use. They feature 30 mm dynamic dome-type driver units that deliver a frequency response ranging from 10 to 24,000 Hz, ensuring a clear audio experience. With a sensitivity of 98 dB/mW and an impedance of 24 ohms, these headphones are easy to power using standard portable devices. Designed for portability, the headphones feature a lightweight, foldable frame that weighs only 125 g without the cord. They come with a 1.2 m Y-type wired cable ending in a gold-plated L-shaped stereo mini plug for a secure connection. For added convenience, an integrated in-line microphone and a multi-function control button allow you to handle phone calls and manage music playback directly from the cord when used with compatible smartphones. These headphones are a practical choice for commuters or students who need a compact audio solution that fits easily into a bag. This blue model combines a simple headband wearing style with functional controls to suit a variety of personal tastes and mobile lifestyles.