Handheld TFT LCD pulse oximeter With Bluetooth wireless function Parameters: Three Parameters: SPO2,TEMP,Pulse Rate,PLETH JERRY- ... , TEMP, PR & PLETH * Handheld, compact, easy for carrying and handling**2.8 inch color TFT LCD in real time display, displayable ... up to 3888 groups, data save time interval settable**Via USB or Bluetooth wireless, to upload history data to PC for review, printing ...