Specifications:This adapter is a compact USB low energy Bluetooth 5.0 dongle adapter.It lets your laptop own bluetooth function, a simple solution to enable your computer connect with smartphone, tablet or other Bluetooth device.Features:Convert non Bluetooth PC into Bluetooth enabled, connect with your computer/laptop with Bluetooth Enabled Devices such as keyboards, mice, headsets, speakers, printers, modems, serial devices, phones and more.Supports for Bluetooth 4.0+EDR Widcomm Bluetooth software, latest Bluetooth specification v4.0 with low energy technology, Backwards compatible with Bluetooth versions 2.1/2.0/3.0.Provides transmiion rate up to 3Mbps and transmiion distance up to 66ft/ 20m (In free space without interference). Operation:1. Put the CD into CD-ROM.2. Open the content of CD, click the file "setup.exe" to install driver.3. Click "my computer" will appear "my bluetooth device" after installed succefully.4. Insert bluetooth dongle into your computer.5. Comnect your device with computer via bluetooth, the name of bluetooth is "USER-XXXX" (no pawoard). Type: Bluetooth 4.0 Dongle AdapterBluetooth Version: 5.0 with EDR, Backward Compatible for Bluetooth V3.0/2.1/2.0/1.1ISM Band: 2.402-2.480GHzPhysical Interface: USB 2.0Transmiion Rate: Up to 3MbpsCompatibility: for Windows XP/Vista, Windows7, Windows 8, Windows 8.1, Windows 10Support Profile: for Serial Port, Object Push, File Transfer, LAN Acce, Personal Area Network, Audio Gateway, Headsets, HID, Keyboard, Mouse, HCRP (Printer Cable Replacement), PIM, Synchronization Profile, A2DP, AVRCP Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Package Includes:1 x Bluetooth 5.0 Dongle Adapter1 x Installation CD