Hello, It is recommended to use 40k cavitation head three to four times a week, and each time for about 10 minutes on one part. And It is recommended to use the negative pressure head once a week. If you have sha on your back after doing it, do it a second time after recovery. The radio frequency head can be used every day. It is ok if the skin is slightly red. It usually takes 10 to 15 minutes. Each probe must be used with products, essential oils, lotions, creams, and gels are all OK. Do not dry burn the probe 

Tripolar head: For use on the eyes or face, recommended duration: 30 minutes; Quadpolar head: For use on the face/shoulders/arms, recommended duration: 30 minutes; Negative pressure head: For use on the shoulders, neck, arms, and legs, recommended duration: 5-10 minutes, until the sha effect is achieved. Fat-burning head recommended duration: 30 minutes. Note: While the negative pressure head can produce sha, it is recommended to wait at least one week for the affected area to heal before using it again. There are no specific requirements for other probes, but for optimal results, it is recommended to use them 3-4 times a week. 

Yes, the radio frequency head inside can achieve this effect. 

Hello, the functions are the same. The main difference is the screen. FY13.0006US is a touch screen HD screen. 

Thank you for your suggestion, we will complete it as soon as possible. If you need it now, please contact us via email. We will provide you with detailed information. 

We are currently developing this product, so please stay tuned. If you have a strong demand, you can purchase two suitable for home use. 

The principle of the negative pressure head: a universal vacuum air pump generates suction and release negative pressure. It is used on the body, not on the face. It can be used for cupping, scraping, dehumidification, and weight loss. 

1.8 meters long 

Hello, our products have corresponding certificates. If you need to check, please contact our staff at the following email address: service@freyara.com 

Suitable for multiple parts of the body, commonly used in: abdomen, waist, buttocks, thighs, upper arms and other fat accumulation areas. The radio frequency probe can also be used on the face, neck and around the eyes to improve sagging and fine lines. Note: Cavitation heads and vacuum suction heads can only be used on the body, not on the face or bone protrusion areas.