This 40K Cavitation + Radio Frequency (RF) handpiece is a non-invasive body care accessory designed to be used with professional aesthetic equipment. It utilizes low-frequency ultrasound (40kHz) and RF technology to gently warm the skin's surface. Commonly applied to areas such as the abdomen, thighs, and arms, it helps temporarily improve the appearance of skin smoothness and firmness. Note: This cavitation handle is compatible only with the following models purchased directly from CavitationMachines.com: BSCM56V3S. All cavitation handle sales on this website are final. Due to the nature of these components, we do not accept returns, exchanges, or refunds for cavitation handles. It is the customer?s responsibility to verify compatibility with their existing equipment before making a purchase. We are not liable for any issues resulting from incompatibility with non-affiliated machines or devices.