1,Bluetooth v2.0 + EDR security mode 2,OEM & ODM 3,supports Windows 98/2000/XP/Vista ... 4,working distance :up to 10-100meter Description:This Bluetooth Adapter ... laptop or tablet USB port. This Bluetooth Adapter uses Bluetooth standard v2.0 +EDR and USB ... solution integrating radio, baseband, microcontroller 9,Protocol Bluetooth host controller, L2CAP, SDP, RFCOMM 10, ...