The USB Micro B has started to be adopted as the new universal standard connector used by many cell phone and small electronic device manufacturers. It can be found on many of the newest phones by Motorola RIM (Blackberry) Palm and Kyocera among others. compliance with current USB specifications Gold Plated Connectors for corrosion resistance ensuring consistent and reliable conductivity Ferrite Core to filter out signal noise and reduce transmission errors Molded-strain relief construction for flexible movement durability and fit Reduces cross talk and interference with aluminum undermold contacts Fully shielded to protect against external signal interference. Compatible with many smartphones such as the Motorola Droid HTC Evo and newer Blackberries.