Sony Vaio VGN-AR300 Series User Manual page 96

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Using Your VAIO Computer
The 2.4 GHz band, with which Bluetooth devices or wireless LAN devices work, is used by various devices. Bluetooth
devices use the technology to minimize the interference from other devices that use the same wave length. Simultaneous
use of the Bluetooth functionality and wireless communication devices, however, may cause radio interference and result
in poorer communication speeds and distances than the standard values.
The Bluetooth functionality may not work depending on the third party devices or the software version used by third party
companies.
As general characteristics of Bluetooth technology, connecting multiple Bluetooth devices to your computer may cause
bandwidth congestion, resulting in poor performance of the devices.