NB409 USB to Bluetooth adapter upgrades Windows PC with Bluetooth 5.0 support, and enable wireless connectivity with wide range of Bluetooth devices. Based on fast and reliable Bluetooth 5.0, it also backward compatible with Bluetooth 2.0, 3.0 and 4.0 devices. It support EDR data rate up to 3Mbps, and signal range of up to 20 metres. Its compact and low power, supports BLE (Bluetooth Low Energy) for energy-saving wireless connectivity. Connect your PC or Laptop with Bluetooth Enabled 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 Windows PC or Laptop to support Bluetooth Connectivity Support Bluetooth 5.0, backwards compatible with Bluetooth 2.0/3.0/4.0 Class II power standard, signal range of up to 20 metres Bluetooth Low Energy technology for energy-saving wireless connectivity Supports A2DP stereo playback EDR data rate up to 3Mbps Gold plated USB connector Operating System Support: Windows 7, 8, 10 (32/64bit) Specifications Bluetooth Protocol: Bluetooth V5.0 (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: 24(W) x 14mm(L) x 8mm(H) Supported OS: Windows 7, 8, 10 (32/64bit)