(1) Add Bluetooth 2.0 capabilities to your laptop or desktop computer through USB;
(2) Bluetooth 4.0 LE compliant Bluetooth Smart Ready transceiver;
(3) Support 7 Bluetooth devices at the same time, support Bluetooth service sharing;
(4)Compact, ergonomic design for easy carrying and storage;
(5) With the industry-recognized and better-performing UK CSR 4th generation 2.0 version of the Bluetooth main chip, the performance is more stable, better compatibility, faster, and more convenient to use.

Description:
USB2.0 specification, backward compatible with USB1.1/1.2
USB bus powered, no power supply is built-in LED work light indication
Slim extremely light, built-in antenna, no USB connection, use, easy to carry
Usage Frequency: frequency hopping
Transfer Rate: 3Mbit / s (EDR), transmission speed more quickly
Security: 128 bits safe mode
Bluetooth transmission: Class 2 output, transmission distance: 5-6 meters
Bluetooth speed: theoretical speed of 3Mbps, measured connection with Nokia N73 Bluetooth 2.0 mobile phone transmission 200-240k / sec;
Supports all Windows systems, including for Windows, xp, vista, win7 win 8, etc
Support EDR security mode
Wireless transmission of documents, audio, video, wireless networking features such as wireless printing
Wireless connected devices (such as computer / mobile phones / printers / wireless game controller) with Bluetooth technology
Support VOIP voice calls seamlessly connect Skype software.
Bluetooth specification V 3.0 & V 1.2 Compliant
Supporting profiles : for networking, Dial-up, Fax, for LAN access , and Headset
Carrier Frequency 2.4-2.483GHZ
Data Rate Up to 3Mbps
Bluetooth specification: Bluetooth V2.0+EDR
Receive sensing: -82dBm(typical).GFSK
RF output power: 20dBm(typical).GFSK
Operating system support: Windows XP/2000/ME/98SE