Features:Three-Color LED Display Screen: Different colors indicate whether the user's reading is normal. Readings are more intuitiveSmart Touch Button - One Button Operation: Touch the switch to get accurate readings automatically without further operationVoice Reporting & LCD Display: Clear voice broadcast and large LCD display during measurement help elderly usersRechargeable: The blood pressure monitor can be charged via USB cable, similar to a mobile phoneEasy to Use: This automatic blood pressure device provides clear, accurate data with just one button press in under 30 secondsNotice:1. Actual color may be slightly different from the image due to different lighting conditions2. Please allow 1-3 cm deviation due to manual measurementPower Supply: Internal 3.7V Lithium BatteryAccessories: Main unit, manual, storage box, data cableRated Voltage: DC5VPower: 1.5WCurrent: 300mALoad: 16 ohms (wristband specifications)Package List:1 x Blood Pressure Monitor