Features: 
1) Standard: Bluetooth specification V1.1 and V1.2
2) Full speed USB interface, compliant with USB1.1
3) Built-in antenna
4) Supported systems: Windows 98 / ME / 2000 / XP
5) Supported profiles: dial-up network, LAN access, fax, serial port, 
    synchronized file transfer, information exchange, audio profile
6) Slim design
7) Operating range: 100 meters (outdoor)
8) Easy to place and carry

Features: 
1) Bluetooth V1.2 compliant
2) Working distance up to 100 meters
3) Works with Bluetooth enabled devices
4) Supporting profiles: networking, dial-up, fax, LAN access, and headset
5) Operation system: Windows 98 / 98 SE / Me / 2000 / XP
6) Interface: USB compliance
7) With LED indicator light
8) Applicable with Bluetooth headset, PDA and PC 
9) Accessories: Bluetooth USB adapter, installation CD, external USB cable, 
    quick start guide