Hot & Cold Dual-Temperature Therapy：Switch between Heat mode (104°F-115°F) to open pores for deeper serum absorption, and Cold mode (50-59°F) to minimize puffiness and shrink pores. A spa-grade hot & cold experience at home 7-in-1 Color LED Light Therapy：Choose from Red, Cyan, Blue, Yellow, Green, Purple, or White light. Each wavelength supports different needs Ergonomic Gua Sha Design for Lymphatic Drainage：Zinc alloy head with multiple curves fits the contours of your jawline, cheekbones, and neck Smart Safety & Long Battery Life: 800mAh rechargeable battery supports 90min use via Type-C USB. Auto-off protection (5min cold/10min heat) prevents overheating. LED display shows mode and battery level Skin-Friendly & Easy to Clean: Made of ABS + Zinc Alloy + Silicone. Smooth non-porous surface glides without pulling. Wipe clean easily. Pair with your favorite facial oil for all skin types