ITEM NAME:Mini Portable USB Port High Speed Wireless Bluetooth 2.0 EDR Adapter A#S Product Description Description: Features: Small size, semi circle ergonomic design. CSR 4th generation Bluetooth main chip. supports 7 Bluetooth devices to support Bluetooth sharing. Bluetooth function is complete: suitable for any computer, Bluetooth mobile phone, Bluetooth headset and other Bluetooth devices. Specification: Plug and Play: Yes Transmission rate: 100 (Mbps) Effective working radius: 10 (m) Bluetooth standard: 2 Interface type: high speed USB2.0 Material: plastic shell Color: Black Included: 1 X Bluetooth Adapter.Supports 7 Bluetooth devices to support Bluetooth sharing. CSR 4th generation Bluetooth main chip. Included:1 X Bluetooth Adapter. Bluetooth standard: 2. Interface type: high speed USB2.0. Small size, semi circle ergonomic design.