Product introduction: MD300M Handheld Pulse Oximeter with Bluetooth, accurately and quickly measure SpO2, Pulse Rate, waveform and Pulse bar. The particular configuration of Bluetooth wireless communication technology, to keep the measurement data is transmitted to the computer. Applies when the casualty transport, first aid and bedside care. Widely used in hospitals, clinics and medical health care centers, etc. Accurate Measurement Professional Guarantee 1. 2.8 TFT screen displays SpO2, PR, waveform and pulse bar; 2. 127 ID setup; 72-hour data storage and review; 3. Data transmission whith USB cable or Bluetooth(optional); 4. Muti-language(Menu):English, Spanish, French, German, Italian; Innovational Design Exhibit Quality 1. Special design of acousto-optic alarms for non-normal state, help health care workers for the first time understand the change of patientssigns; 2. With large body and blood oxygen waveform of the two display modes, satisfy a variety of needs; 3. The particular configuration of Bluetooth wireless communication technology, to keep the measurement data is transmitted to the computer; 4. USB Data upload; 5. Adjustable backlight intensity level and sound intensity; Ultra-long Standby and Portable 1. 2AA alkaline batteries or rechargeable batteries; 2. Support AC/DC power (optional); 3. Lower power consumption, can be measurement at a long time;