The handheld gold RF microcrystal device is an innovative RF microneedle device, a programmable point array RF device with adjustable penetration depth and energy transmission capabilities. It utilizes segmented RF microneedle technology to deliver targeted treatments at multiple layers of the skin and fat. The RF heating coagulates fat and contracts connective tissue, stimulating and remodeling collagen to improve skin appearance, tighten the skin. It provides localized remodeling and tightening of the skin in targeted areas of the face and body, making the skin smooth. It is suitable for all skin tones. It can address issues such as skin sagging, acne, scars, acne marks, pores, fine lines and wrinkles, stretch marks, fat clusters, and excessive fat accumulation. It is a safe, effective, non-surgical, minimally invasive method for reconstructing the skin’s surface, tightening the skin, and reducing stubborn body fat deposits. It is the second-best option after surgery.