Sony VAIO VPCY11 Series Operating Instructions - Hardware Manual page 63

Using Your VAIO Computer >
Using the Bluetooth Function
❑ The Bluetooth function may not work with other devices, depending on the manufacturer or the software version employed
by the manufacturer.
❑ Connecting multiple Bluetooth devices to your computer may cause channel congestion, resulting in poor performance
of the devices. This is normal with Bluetooth technology and is not a malfunction.
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