NB510 is a USB adapter featuring advanced Bluetooth 5.1 capabilities for latest Windows systems. It provides better performance, higher data transfer rate and lower energy consumption. Easy to pair multiple devices to your PC with this Bluetooth 5.1 dongle, and enable wireless connectivity with wide range of Bluetooth devices. It supports Bluetooth Low Energy (BLE) to reduce power consumption. It also maintains fully backward compatibility with Bluetooth 4.0, 3.0 and 2.0. Connect your PC or Laptop with multiple Bluetooth devices such as keyboards, mice, headsets, speakers, printers, controllers, phones and more. It is an ideal solution to transfer files, audio or voice wirelessly for your desktop and laptop PC. Features Designed for PC or Laptop to support Bluetooth connectivity Support Bluetooth 5.1, backwards compatible with Bluetooth 2.0/3.0/4.0 Faster discovery speed and less energy consumption Support LMP Version 10 (Link Manager Protocol) Class II power standard, signal range of up to 20 metres Supports A2DP stereo playback EDR data rate up to 3Mbps Gold plated USB connector Plug and play for Windows 10 and 11 operating systems Specifications Bluetooth Protocol: Bluetooth V5.1 (Dual Mode) Interface: USB 2.0 Input Power: USB 5V (USB Power) Operating Frequency: 2.402-2.480 GHz Transmission Range: 10 - 20M Sensitivity: -86dBm@0.1%BER Profiles: SPP, BLE, ANCS, HFP, HCRP, A2DP, AVRCP Operating Temperature: -10 - 50 Celsius Dimension: 27(L) x 16mm(W) x 8mm(H) Supported OS: Windows 10, 11 (32/64bit) Important Note: This adapter is designed for Windows 10 and 11 operating systems only, legacy versions of Windows are NOT supported. To avoid software confliction, please uninstall any previous Bluetooth driver software installed on your computer prior to installing this new Bluetooth 5.1 adapter. This adapter is plug and play for Windows 10 and 11 operating systems, and it will be installed automatically when plugged into computer