Mizco EKU-STP-RD ECKO STOMP Stereo Earbud Headphones with In-Line Microphone - Red Built-in mic and control switch works with iPhone, Android, Blackberry and any phone with a 3.5mm jack Includes 3 different sized silicone ear buds and a Soft Nylon Travel Bag ; Features a 1.2 meter Flat Tangle-Free Cable 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 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: 50mW ; Impedance: 32 Ohm ; Cable Length: 1.20 meters