New Universal BlueTooth Headsets Ver. 2.0 BLUETOOTH VERSION 2 TECHNOLOGY USES 1/2 THE POWER OF VER. 1 FOR LONGER SERVICE TIME THREE TIMES AS FAST AS VER. 1 FOR BETTER, MORE STABLE CONNECTIONS LIGHT WEIGHT FOR COMFORT WHILE WEARING COMPATIBLE WITH ALL BLUETOOTH DEVICES, VER 2 , VER 1, VER 1.2