Health Care Tool Neck Massager Electric Pulse Back Far Infrared Heating Pain Relief Relaxation Intelligent Cervical Mass

!!Please note that for safety, this product does not contain batteries before sending out, after you receive the package, please install 2 x AAA batteries first, the product can be used normally, thank you for your understanding.

Features: 100% brand new and high quality Size: Medium Application: Neck Material: ABS Item Type:Massage & Relaxation Package size:22.5X20X5CM Electric impulse frequency:0-1000Hz

Electric impulse width:20-400μs 1. Pulses  frequency:0Hz - 1000Hz 2. Pulse width:20us -400us 3. Power:3VDC30mA 4. With 6 kinds of mode 5. With 16 kinds of strength 6. Main function: using an Electronic pulse massager to relax the neck 7. Power supply: 2 x AAA dry cells Can be used 7 hours continuously

Please note how to use: The cervical vertebra massager must touch two pieces of metal at the same time to be effective. It will not work if it touches any piece of metal alone. And this one is for electromagnetic pulse massage. It's best to keep the skin moist before using it. Just moisten it with water. If the skin is relatively dry state easy to have a tingling sensation.

Package Included: 1 x Neck Massager Machine(Without battery) 1 x  English manual