EXTREMELY LIGHTWEIGHT AND FLEXIBLE NECKBAND , EAR BUDS MAGNETICALLY ATTACH TO ENDS. FEATURES EASY TO USE VOLUME CONTROL - PREVIOUS/NEXT PLAY - PLAY/PAUSE - ANSWER/END PHONE CALL - REDIAL - LAST NUMBER CALLED - ON/OFF SWITCH - BUILT-IN MICROPHONE. COMPLIES WITH PROP 65. 5.5" L X 7.25" W X 0.5" H