Characteristic 1. Built-in 12 stimulation modes, multi-functional massage experience, effectively relieve pain and fatigue,Promotes blood circulation and improves muscle performance. 2. LCD display and button control, simple operation experience, free to switch modes, adjust the intensity level and speed, switch the power on and off according to your preference. 3. Automatic shutdown and timer function, effectively save energy, only need 3*1.5V AAA battery continuously 4. Lightweight and lightweight design, it can be put in your bag or backpack, saving space and carrying the wind. 5. An ideal gift for your family and friends to express your love and care for their health, it can address a wide range of daily health discomforts to your entire body such as legs, arms, stomach, etc. Specification Material: ABS Shell color: white Display backlight color: blue Display type: LCD display Body Modes: 9 Modes (Neck, Shoulder, Back, Arm, Waist, Hip, Abdomen, Leg, Muscle) Massage mode: 3 modes (knead, beat, turn) Intensity: 40 levels (adjustable) Number of channels: 2 channels Waveform: Bidirectional pulse wave Power supply: DC 4.5V 3* AAA battery (not included) Output frequency: 1 ~ 120 Hz Output pulse width: 100~250uS Output voltage: 40v20% Package includes: 1* Massager 2 Pairs* Electrode Pads 2* Connecting Cable 1* English User Manual