Enjoy music, wherever you may be, with the Sony ZX310 Foldable Headphones. Featuring a cool, innovative design, these lightweight headphones fold up, perfect for when on the move. Combining practicality and quality, these headphones boast 30mm drivers, which deliver superb, powerful, balanced sound. They also have padded ear cups for maximum comfort; listen to music for hours upon end. The cable features a built-in remote control for track control, as well as a built-in microphone for call handling. . Foldable . Padded ear cups . Built-in microphone . Built-in remote control . 10-24,000Hz frequency . 30mm drivers . 98 dB/W sensitivity . 3.5mm stereo jack