Mini, lightweight, compact, ultra-slim and portable. Ultra-clear sound speaker and utmost sensitive microphone. One multi-function button on the top to make, answer, reject or end a call. Allow you to answer the coming call freely and conveniently. Both headset and hands-free profile integrated. Let you enjoy outstanding sound and music anytime and anywhere. Compatible with all Bluetooth enabled mobile phones. Specially designed for iPhone 2G/3G/3GS/4G. Comfortable to wear on the left or right ear. Come with an ear hook for easy carrying with you on the go. Transmission distance: 10 meters.