Hi-Fi Noise-Reducing Ear Buds For Kindle Fire HD 8.9" 4G, iPad Mini, iPad3 and Touchscreen Tablets (Silver-Green) In-ear design allows for passive noise isolation. Works with every iPad, iPod, mp3 player, CD, portable DVD, PSP, MD, and Laptop. High intensity listening experience with crisp, clear sound and deep bass. Premium sound quality, Compact size, and Sleek design. Cable length: 1.4m , Frequency response: 20-20 kHz ( updated version)