Brand: Belkin. Compatibility: Apple MacOS X 10.2 or later, Windows 98/ME/2000/XP, Windows Vista. Connection: USB. Encryption Capability: No. Features of Product: Adds bluetooth wireless technology to your desktop or notebook computer. Data rates of up to 3Mbps. 1/5 of the length of current dongles sufficiently small form factor to never need to remove from laptop. Supports mono and stereo bluetooth headsets, expand HID and audio bluetooth solutions, keyboards and mice. Number of Devices Supported: 4. Number of Devices Supported At Once: 1. Product Depth: 0.8 cm. Product Height: 2 cm. Product Width: 1.6 cm. Range in Metres: Up to 10m.