524aa351_BlueSMiRF___learn_sparkfun_com__Input__Output__Power_
[Pin Label] VCC [Pin Function] Voltage supply [Description] This voltage supply signal is routed through a 3.3V regulator, then routed to the Bluetooth module. It should range from 3.3V to 6V. [Input, Output, Power?] 
Power In
O u t p u t
I n p u t
P o w e r I n
Using the BlueSMiRF - learn.sparkfun.com
Input, Output, Power?