... up to 3888 groups, data save time interval settablel Via USB or Bluetooth wireless, to upload history data to PC ... Parameters: SpO2,PR,PLETH,Pulse strength,TEMPSignal sockets:SpO2 socket,PR socket,TEMP socket,USB socket(for charge battery and transmit data)2. Display screen ... to a PC for display, observation, saving and printing via USB or Bluetooth wireless 4. Power RequirementsBattery type: common 1. ...