Product Features:
* Ultra-compact, easy carrying and space saving.
* Experience stereo audio with Advanced Audio Distribution Profile (A2DP) support.
* Bluetooth Low Energy (BLE) protocol support.
* Up to 3 Mbps data transfer rate with Enhanced Data Rate (EDR) support.
* Backward support classic Bluetooth V3.0/2.1/2.0/1.1
* Connect a Windows computer to Bluetooth devices such as keyboards, mice, headsets, and mobile devices.

Specifications
* Bluetooth version: 4.0 with EDR - data transfer rate up to 3Mbps
* ISM Band: 2.4GHz
* Operation range: Class II, 10 meters
* Support Profile: Serial Port, Object Push, File Transfer, LAN Access, Personal Area Network, Audio Gateway, Headsets, HID, Keyboard, Mouse, HCRP (Printer Cable Replacement), PIM, Synchronization Profile, A2DP, AVRCP

Compatibility
* Windows 10, Windows 8, Windows 7, XP, and Vista
* Bluetooth-enabled devices, like smart phones, tablets, keyboards, mice, speakers, printers, headsets & more
* Not compatible with Mac system