Portable LCD Display USB Charging Sphygmomanometer

Features: - Built-in rechargeable lithium battery - 90 sets of data memory function for two people - Large LCD Display with backlight - Automatic voice broadcast (Type A) - Simply and conveniently charge by USB port - If you measure your blood pressure at night and worry about disturbing your family, you can turn off the voice, which is not available in other homes. Specifications: Type: A: With voice broadcast / B: Without voice broadcast Size: 90*90*115mm/3.5*3.5*4.5" Wristband range: 135~195mm Display: LCD digital display screen Measuring method: oscillometry Measuring range: blood pressure 0~280mmHg pulse 40~199 times/min Pressurization mode: automatic pumping of air pump Decompression method: solenoid valve control decompression Measurement error: blood pressure: :0.4kpa, heart rate 5% Memory capacity: Can remember 99 data sets for two people Pressure sensing: semiconductor pressure sensor Power: Power storage lithium battery and USB data line transmission Charging time: 3 hours Approx. 280 times of blood pressure test is available under a full charging. Operation Method of Blood Pressure Measurement: - Step 1. Fasten the wristband to the left wrist joint and ensure there is about 1 cm space between the wrist and wristband. The facade of machine is close to the inner side of wrist. - Step2. Sit up straight, and stretch forward your left arm and then bend your arm in a V-shape to ensure the blood pressure monitor and heart are at the same height. - Step 3. Before the measurement, turn on the power switch on the left side of the machine, and then keep sitting up straight and relaxing the shoulders and arms. Press down the ON/OFF button, and then the blood pressure monitor will star to measure automatically Operation setting: - In the mode of sleep, long press down SET button for 3 seconds and enter into the mode of time, if the year flash, it means can be adjusted, press down SET button again to choose Month/Day/Hour/Minute for set. - For the voice type device, in the mode of time setting, press down Memory button can choose turn on or turn off the voice function. Packing Included: 1x Machine 1x USB charging 1x Manual