NO limited by cables any more Freely to communicate with ANY Bluetooth peripherals (such as PC, PDAS, mobile phones, printers) Designed to operate within an effective range of a whopping 100 meters Experience a larger radius of wireless mobility Terrific light and flat Full speed USB interface, compatible with USB 2.0 / 1.1 / 1.0. Easier intervention and data transfer Up to 70 meters broad!(Bluetooth class 2) Wireless connection with bluetooth enabled devices. e.g. PDA, handy, digital camera, PC, printer etc. Build-in antenna Supplementary standard bluetooth 1.1 and 1.2 Frequency band: 2.4 GHz Maximum of transmission rate: 115.2 Kbps No additional battery needed Plug and Play installation Support Windows 98/ 98SE/ ME/ 2000/ XP FunkLAN standard: IEEE 802.15 Bluetooth 128 bits encryption Dimensions: 5cm x 1.7cm x 0.9cm Color: blue   read more »