Generic Bluetooth USB Dongle Adapter CSR 4.0 for Desktop and Laptop

Generic Bluetooth USB Dongle Adapter CSR 4.0 for Desktop and Laptop
Key Features
V4.0 new generation Bluetooth dongle (supports Bluetooth V3.0/2.1/2.0/1.1
Plug and play for windows 8 and 10
Support Bluetooth voice and date transmission
Ultra-compact design
Experience stereo audio with Advanced Audio Distribution Profile (A2DP) support
Bluetooth Low Energy (BLE) protocol support
1 Year Warranty