Samsung NP-X360 User Manual Vista Ver.1.8 (English) - Page 114

Usage Instructions  Bluetooth devices to be connected must be within a 3m (10 ft.) distance.  For Bluetooth to operate smoothly, use the computer in an open environment with no walls or obstacles in the way.  You can connect to only one Bluetooth device at a time for a phone connection, data syncing, electronic business card exchange, FAX transmission/reception, sound related functions, and serial port functions.  It is recommended using only one Bluetooth device at a time as connecting multiple Bluetooth or other wireless devices at the same time may slow or destabilize the Bluetooth connection.  Data communications via Bluetooth may be poor when the CPU load is at full capacity or there are insufficient system resources.  The Bluetooth function of a Bluetooth PDA, mobile phone, mouse or keyboard may be turned off. To use them in connection with a Samsung computer supporting Bluetooth, you must check if the Bluetooth function of the device to connect to is turned on. For the procedures on turning on the Bluetooth function of a device, refer to the relevant device manual.  The services provided by Bluetooth devices may vary depending on their capabilities. For the services provided by the Bluetooth device, refer to the device manual. 113