Note:
Does NOT support adding Bluetooth functionality to home theater or automotive systems.
Does NOT work in car stereo systems or TVs. Does NOT work with Mac. NOT recommended for employer-provided computers.

IMPORTANT:
Play & Plug on win7/8/10. And don't need the driver,if just connect with bluetooth keboard/mouse or transfer files through bluetooth.
But, If connect with bluetooth speaker or bluetooth earphone, you must install the driver from the CD.

Features:
Ultra-low latency, fast connection
Advanced Audio Distribution Profile (A2DP)
Enhanced Data Rate (EDR)
Bluetooth Low Energy (BLE)
24-bit CRC Verify
Adaptive Frequency Hopping(AFH)v

Specifications:
Chip: Original CSR8510A10 Chip
Bluetooth Version: 4.0 with EDR - data transfer rate up to 3Mbps
Interface: Full speed USB 2.0
ISM Band: 2.402-2.480GHz
Operation Range: Class II, up to 20 meters(65ft)
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, AVRCP

Package Included:
1 x Bluetooth Dongle
1 x CD Driver(Installation Guide Included)

• 【Compatible With】 Compatible with Windows 10 / 8.1 / 8 / 7 / Vista/ XP, Plug and Play on Win 7 and above. Backward support classic Bluetooth V3.0/2.1/2.0/1.1
• 【Latest Versions】 Latest Bluetooth 4.0 Class 2, original CSR8510A10 chip with low energy (BLE) technology,transfer rates of up to 3Mbps and a range of up to 65 feet/20M (Others ia just 30 feet/ 10 meters), with Advanced Audio Distribution Profile(A2DP) supported, listening stereo audio
• 【Wide Range of USES】 Connect a Windows computer to Bluetooth devices wireless such as phone, iPod, keyboard, mouse, printer, headset, speaker,mice etc.Extremely compact USB adapter. Safe to leave in for laptop travel. Low power.
• 【Compact Design】 Compact design, Ultra-mini easy carrying and space saving, you can put it in your wallet and bring it to anywhere at anytime.
• 【Easy to Use】 It is easy to use. You will connect the bluetooth in minutes. Plug the bluetooth dongle, install the driver in cd, then use it!

【Compatible With】 Compatible with Windows 10 / 8.1 / 8 / 7 / Vista/ XP, Plug and Play on Win 7 and above. Backward support classic Bluetooth V3.0/2.1/2.0/1.1REDGO