MD300W314 is a wrist pulse oximeter with bluetooth technology which can effectively measure SpO2, PR and transmit measuring data to Bluetooth enabled devices such as cell phone, computer, gateway. MD300W314 is a best choice for both professional and common users to conveniently realize health data management and acquire friendly using experience. Accurate Measurement Professional Guarantee 1. Portable, compact in design,convenient to wear; 2. Transmit the blood oxygen saturation and pulse rate in real time or in non-real time; Innovational Design Exhibit Quality 1. Powered by lithium rechargeable battery; 2. Bluetooth and USB interfacefor data transmission; 3. Supported by data storage; 4. Visual and audio indication;