Item Type: USB Wireless Adapter_x000D_ Material: ABS_x000D_ Colour: Black_x000D_ BT Version: V2.0 (support V1.2)_x000D_ Transmission Rate: 3Mbps_x000D_ Transmission Range: About 20m_x000D_ Support Configuration: Internet, Dial up, Fax, LAN Access and Headset_x000D_ Compatible System:For Windows XP, for 2000, for ME, for 98SE,for Win 7, for Win 8, for Win 10, etc.1Excellent Chip: Wireless adapter adopts the industry recognized British CSR 4th generation BT main chip version 2.0, which is stable, fast and has better compatibility. 2Supported Devices: USB WiFi adapter supports 7 BT devices at the same time, supports sharing of BT services, and is more convenient to use. 3Small Portable: USB wireless adapter has a small appearance, compact structure design, semi circular ergonomic design, very light and easy to carry. 4Wide Compatibility: PC wireless adapter compatible systems include for Windows XP, for 2000, for ME, for 98SE, for Win 7, for Win 8, for Win 10, etc. 5Wide Application: WiFi adapter is suitable for any computer regardless of model, compatible with all BT mobile phones, BT headsets and BT related devices.1 xUSB Wireless Adapter