... simple data sets between compact devices opening up a whole new class of Bluetooth applications such as ... SpecificationStandardBluetoothV4.0, Class IIProfilesNetwork Availability, Proximity, fine me, heart rate, weight Scale, HID, etc.detailed profiles depends on ... Power4dBmPowerSupply Voltage1.8~ 3.6V DCWorking CurrentRX/TX Active, 16mAtypical.Deep sleep Current<5uAOperating EnvironmentTemperature-40ºC ...