Cosmos Black Foggy Unique Retro Telephone Style Headset for iphone 4/3G/3GS ipad 2 ipod touch Blackberry Nokia HTC + Free Cosmos Cable Tie Compatible with all 3.5mm jack mobile phones and computers, including iPhone, BlackBerry, iPad and latest MacBooks. Dimensions: 8 x 2.25 x 1.8 inch. Noise-reducing technology for a crisp and polished sound. With microphone and volume control. One touch button to pickup and hang up the phone.