65278
" Bluetooth " technology provides a way to exchange information between wireless devices such as PDAs , laptops , computers , printers and digital cameras via a secure , low-cost , globally available short-range radio frequency band .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None