General Spec Color black Sound stereo sound Button on/off Earphone Type in-ear Connector 3.5mm   Cord 1.2m Others built-in mic Compatibility Apple iphone 3G/4G, MP3, MP4, MP5,CD, PC etc Features Smart, slim and stylish. Specially designed earphone with mic for iPhone 3G/4G. Soft ear-pads fit perfectly in virtually any ear for surprising comfort. High definition and fidelity stereo sound offers you clear and vivid sound enjoyment. Compatible with all portable music players with 3.5mm jacks such as MP3/MP4/MP5/CD/PC etc. Ideal for listening to the music and playing PC games.