1. Massage Blade Ergonomically designed to fit any part of the body . such as neck, joint, waist, Leg, Arm, hand, shoulder, Back. 2. Electric + Micro-Vibration + Hot, our massager uses Micro-vibration and NMES technology to directly work on deep muscle tissue for true deep massage. 3. 3-Level adjustment, you can choose that you fit. 4. can automatically finding acupoints.When you feeling NMES,please apply pressure massage. 5. 1200mah large capacity lithium battery,30 minutes per day, can last for 14 days. Suitable for recovery after sports fatigue,Get relaxed Note:This Product is not intended to Diagnose, Mitigate, Treat, Cure or Prevent any Disease. Thanks Name: Electric Fascia knife Function: Muscle Relaxation Massage Working mode: 4 adjustable modes Heating temperature: 3 adjustable temperatures (38C-46C) Vibration Massage: 3 Adjustable Intensity (10500RPM) Power supply mode: USB charging Battery capacity: 1200mAh Charging time: 1-2 hours Suitable for: back, shoulder and neck, arms, waist, legs, joints and other parts of the body Colour:Black Material:Abs+Stainless Steel Package Contents: 1 x Electric muscle massage knife Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.