The best companion for Wireless Stereo digital music, So Easy So Free! Never missing incoming call from Mobile while you enjoy a streaming music from MP3 player, PC, Notebook, Mobile, or iPod, etc. Features: Clip-On and Necklace design, excellent for portability Connect to Home Audio System for listening to music from Bluetooth Audio source A universal multimedia headphone for both listening music and talking to phone wirelessly Enjoy the stereo music wirelessly from Bluetooth enabled audio devices Support Bluetooth V2.0 and 6.5 hours Music playback Music/Phone Auto Switching Stereo sound with noise cancellation Support MSN, Skype, and other internet messenger application