Transfer rate up to 3Mbps, providing high-speed file and audio data transmission.
Backward compatible with Bluetooth 2.0, Bluetooth 2.1, Bluetooth 3.0 specification
Compatible with most Operating system: Windows 2000, XP, Vista Win 7/8 32/64 bit
Specification
Interface: USB 2.0
Bluetooth Standards: Bluetooth 4.0
Transfer rate: Up to 3.0Mbps
Chipset: CSR8510
Voltage: 5V (USB bus-powered)
Power Consumption: 5V, 90mAh max
Radio Frequency: 2.4 GHz to 2.4835 GHz
Package Contents:1 x Mini USB Bluetooth 4.0 Adapter Dongle