Altec Lansing sound technology for hi-def music Dual-mic Audio IQ noise cancelling for clear calls Bass-boost feature enriches stereo sound Open Mic button brings in the outside world Three-way adjustment for a comfortable stable fit Flexible design quickly folds up for storage deal for the latest iPhone the Plantronics Back Beat 903 wireless headphones feature Altec Lansing sound technology for rich full-spectrum stereo music & dual-mic Audio IQ noisecanceling technology for exceptional call clarity. The 906 model
Includes:: an adaptor to stream music from older iPod & MP3 devices lacking the Bluetooth A2DP stereo profile. Both models let you enhance your music using the bass-boost feature or conveniently hear your surroundings with a quick tap of the Open Mic button. Adjustable & flexible for all-day wearing comfort the headphones quickly fold up & slip into your pocket or bag.