Features:Compact and portable, convenient to use in anywhere anytime.Bluetooth connectivity.Design with magnetic interface.Mobile APP Bluetooth wireless control.Smart, portable, portable.Descriptions:Magnetic suction connecting line is fashionable, convenient and quick.The use of commonly used electrode tablet massage.Specification:Material: ABSBattery type: CR2032 3V button batteryPulse width: 300usStandby current: 0.3uAOutput voltage: 0-180VStandby time: 10 monthsOutput frequency: 1-330HzLoad resistance: 1KBluetooth communication distance: 10mColor: whitePower: 0.1W(mini)Dimensions: 40 x 40 x 6mmPackage size: 5x5x6cmPackage Includes:1 x Biological Messager2 X electrode sheet1 X electrode line1 x User Manual1 x BatteryNotes:Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.