Simplecom NB530 USB Bluetooth 5.3 Adapter Wireless Dongle Features Designed for PC or Laptop to support Bluetooth connectivity Support Bluetooth 5.3, backwards compatible with previous versions Faster discovery speed and less energy consumption Support LMP Version 12 (Link Manager Protocol) Class II power standard, signal range of up to 20 metres Supports A2DP stereo playback EDR data rate up to 3Mbps Plug and play for Windows 10 and 11 operating systems Specifications Bluetooth Protocol_ Bluetooth V5.3 Interface_ USB 2.0 Input Power_ USB 5V (USB Power) Operating Frequency_ 2.402-2.480 GHz Transmission Range_ up to 20M (Class II) Sensitivity_ -95dBm@0.1%BER Profiles_ SPP, BLE, ANCS, HFP, HCRP, A2DP, AVRCP Operating Temperature_ -10°C - 50°C Dimension_ 22(L) x 14mm(W) x 6mm(H) Supported OS_ Windows 7, 8, 10, 11 (32/64bit) Important Note_ To avoid software confliction, please uninstall any previous Bluetooth driver software installed on your computer prior to installing this new Bluetooth 5.3 adapter. This adapter is plug and play for Windows 10/11 operating systems, and it will be installed automatically when plugged into computer (internet connection is required). Windows 7 and 8 systems require driver installation from CD or download driver from web.