Black USB Bluetooth Dongle Wireless Adapter with Antenna for Windows 7
*Supporting bluetooth voice data.*Supporting multi-languages.*This bluetooth adapter do not need any driver on compatible operation system.*Bluetooth specification V 2.0 & V 1.2 Compliant.*I/O Interface: USB V2.0 compliance.*Operation Range: 0-100m (Bluetooth class 1 )*Built-in antenna*Frenquency Band: 2.4Ghz unlicensed ISM band*Maximum Data Rate: 3MB*Sensitivity: -89dBM@ 0.1%BERSpecification#LED status indicator#Supporting profiles: Networking, Mobile Phones, Dial-up, Fax, LAN access , and Headset.#Operation system: Windows 98, 98SE, ME, 2000, XP, VISTA and Windows 7.#Note:(1) The 100M range is only the Theoretical Number, In fact this item only works well within 20M. Please know, the farther distance, the weaker signal received.(2) For the MAC (Medium/Media Access Control), Please kindly know all of the bluetooth adapters share the same MAC, you can not build a net by some bluetooth adapters.(3) The Antenna of this item doesn't function anything, it is only a decoration of design for this item.package content:1 x USB 2.0 Bluetooth Dongle Wireless Adapter