Sony WALKMAN NWZ-A15 Help Manual page 269

Help Guide
How to Use
Digital Media Player
NWZ-A15/A17
What is the Bluetooth function?
The Bluetooth function enables wireless data transfer between devices that support Bluetooth wireless technology. You
can transfer data between these devices at a range of up to 10 meters in an open area.
You do not need to use a cable for connection, since the Bluetooth function uses wireless technology, nor is it necessary
for the devices to face one another, as is the case with infrared technology. For example, you can use Bluetooth devices
in a bag or pocket.
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