SPECIFICATIONS Body Slimming 40K Cavitation Ultrasonic Weight Loss Skin Rejuvenation Beauty Machine Multipolar RF Skin Tighten Anti-wrinkleMaterial: ABS Item Type: Massage & Relaxation Certification: CE Application: BODY Notice! Notice! Notice! 1. Before using the machine, it is necessary to adjust the frequency of the ultrasonic handle. 2. When the machine is sent out, the detection is normal. After long-distance transportation, the accessories may be damaged or the lines may be loose. 3. If the machine does not work properly, please contact the customer service to provide solutions.