Brand new, just out of the box, never been used. More photos:

Add Bluetooth® v2.0 wireless to your Windows® XP or Mac® OS X notebook easily. The Kensington Bluetooth USB 2.0 adaptor gives you enhanced speed, security and reliability for your favorite Bluetooth® devices.

Features

• Works with most Bluetooth® v1.1, v1.2 and v2.0-compatible devices, including cell phones, PDAs, printers, mice, keyboards and more
• Provides secure encrypted wireless networking
• Enhanced data rate delivers transmission speeds up to 3X faster than Bluetooth® v1.2
• Enhanced data Smart power management consumes as little as 1/5 the battery power of Bluetooth® v1.2

Specifications

• PC/MAC compatible
• Links up to 7 devices
• USB port

System Requirements
PC or compatible computer running Windows® XP or later, or Macintosh® OS X 10.2.6 or later, available USB 2.0 or 1.1 port. Compatible with Bluetooth® v1.1, v1.2, v2.0 enabled devices.

Dimensions
2.0"L X 0.25"H X 0.75"W