PRODUCT GRADING Refurbished Pristine - Pristine condition / Very light signs of use > Refurbished to the highest standards. Item may arrive in Non-Original Retail Packaging. WHAT IS IN THE BOX Sony MDR-XB550AP Extrabass Headphones - Black PRODUCT DESCRIPTION Bold style, bass sound, soft touch and smartphone compatible. Drop into lush, powerful lows. EXTRA BASS enhances all your low-end frequencies for deep, euphoric sound. Listen in style with the bold, elegant design, enjoy hours of comfortable listening with soft cushioned ear pads and an adjustable metal headband. The ear pads don’t just provide wrap-around comfort with an improved acoustic seal, but also powerful bass. Go from music to calls with a few button presses. The in-line remote and mic let you skip tracks and answer calls from your headphones. To control volume: Install the Smart Key app from Google Play store, the track and volume adjustment on your smartphone will be enabled with multi-function button PRODUCT INFORMATION Brand - Sony Colour - Black Connectivity technology - Wired Model name - Sony MDR-XB550AP Noise control - Active Noise Cancellation Headphone jack - 3.5mm Jack Cable feature - Retractable Item weight - 0.18 Kilograms