Mizco EKU-ZNE-BK Ecko Zone Stereo Earbud Headphones - Black High intensity listening experience with crisp, clear sound and deep bass ; 3.5 mm audio plug for premium, no-loss sound connection to your audio device Includes 3 different sized silicone ear buds Flat 2-Tone Tangle-Free Cable Works with iPod, MP3 player, CD, portable DVD, PSP, MD, and Laptop Premium sound quality, compact size, and sleek design ; Speaker Diameter: 10mm ; Frequency Response: 20-20kHz ; Maximum Power Input: 20mW ; Impedance: 16 Ohm ; Cable Length: 1 meter Connectivity technology : Wired