Features:<br> Three-Color LED Display Screen: Different colors indicate whether the user's reading is normal. Reaings are more intuitive<br> Smart Touch Botton-One Button Operation: Touch the switch, then you will get the accurate-readings automatically without further operation<br> Voice Reporting & LCD Display: Clear voice broadcast and large LCD display during the measurement can prevent the elderly from being incapable<br> Rechargeable: Don't worry about the blood pressure monitors watch dying on you from a low battery. This monitors is chargeable by a USB cord, just like a cell phone.<br> Easy to Use: Automatic blood pressure device will give you clear, accurate-data by pressing just one button in less than 30 second.<br> Notice:<br> 1.Actual color may be slightly different from the image due to different light effect<br> 2.Please allow 1-3cm deviation due to manual measurement<br> Power Supply: Lithiums Battery<br> Accessories: Main unit, manual, storage box, data cable<br> Rated Voltage: DC5V<br> Power Supply: Internal 3.7V Lithiums Battery<br> Power: 1.5W<br> Current: 300mA<br> Load: 16 ohms (wristbands specifications)<br> Package List:<br> 1x Blood Pressure Monitors