This dongle supports the latest Bluetooth technology version 4.0, which is called Smart Ready. It is very much required, if the user wants to connect a low power Bluetooth 4.0 device (e.g. smart watches, heart rate monitors, etc.) with their laptop such as netbook, ultraboook. Most of the current computers and millions of existing computers do not support bluetooth 4.0 which means that users must have this dongle to upgrade their systems, if they want to connect with Bluetooth 4.0 hardware.Range: up to 20m, bluetooth Version v4.0Dual mode operation v4.0 and older versionsSupports Bluetooth low energyLine speed up to 3 Mbit/sBluetooth software on CD. Supports all popular BT profilesHigh security due to encryption and authenticationEasy and fast connectionFunction LEDFor Windows 7 and 8, XP, Vista
