You will need this if you working in construction, nursing, sports or doing any type of physically straining job. The fascial massager are stimulated by high-frequency-vibration, which can reduce the adhesion between muscle and fascia, stop sports injury.
Features:
* Focus on your neck, back, waist, shoulders, feet and legs to help you relax. 
* It can effectively relieve pain caused by lactic acid accumulation after exercise, relieve sedentary and long-term muscle discomfort, and improve blood circulation.
* Four different interchangeable massage heads for different areas to meet your massage needs. 
* Ergonomically designed grips minimize external-vibrations, relax your body and give you a comfortable massage experience.
* Built-in large-capacity-battery, lasts for a long time.  
* Wide application, can be used in offices, homes, gyms, travel, etc.
* Low noise, comfortable to use.
* Six speed adjustment, high frequency.
* LCD display, intelligent touching button.
Specifications:
Item type: Muscle Massager
Color: Black, silvery, red, blue(optional) 
Electric plug: Four kinds of plugs(optional)
Nominal voltage: DC 8.4V 
6 levels adjustment: 
Level 1-2100/min, 
Level 2 -2400/min, 
Level 3 -2700r/min, 
Level 4 -3000r/min, 
Level 5 -3300r/min, 
Level 6 -3600r/min, 
Rated p-ower: 100~240V 50Hz
Electrical machinery: 12V/7.4V 
Battery-capacity: 2000mAh
Time of endurance: 2-3h(the battery-life of the product may be slightly deviated due to the influence of environment, usage mode, product setting and other factors)
Package weight: 1500g/3.3pounds
Package size: 300*220*75mm/11.8*8.66*2.95inches
Note:
There are four kinds of electric plugs for your choice, please choose a specification suitable for your country.
Please allow 10-20mm errors due to manual measurement.
Package list:
1 * Massager
1 * Big Round Massage Ball(For large muscle recovery)
1 * Spiral-head(For joints of body)
1 * Fork leg tip(For spine massage)
1 * Flat warm up tip(Full body)
1 * Adapter
1 * User manual
Can this product be used for body massage and relaxation?
This product should be massaged as far as possible in major muscle groups or soft tissues of the body. It is forbidden to massage the parts of the body with less bone or muscle coverage.
Who should not use it?
Pregnant women, diabetic complications, people wearing pacemakers, recent surgery, lumbar disc herniation, epilepsy, etc.
How-many massage heads are there?
Equipped with four types of massage heads, only need to hold the massage heads slightly wiggle to pull out, the installation of massage heads can be the same.
When is the best-time to use it?
Don't use it every day. In order to achieve the best-results, it is recommended to use moderately, not excessively.
It can warm up and activate muscle activity before exercise.In the process of exercise can play a relaxing role, relieve tense muscles.It has a restorative effect after exercise.