Premium Graphene USB Heated Coffee Cup Coaster
High-efficiency graphene heating ensures rapid and even warmth for your beverages. Smart touch control with adjustable temperature settings (104°F-140°F) for personalized comfort. Ultra-slim 5mm design with scratch-resistant ceramic surface, compatible with most cup sizes (2.4"-3.5" base). Non-slip silicone base protects tables while ensuring stability. Dual-purpose: ideal for home offices (prevents coffee cooling during meetings) and cafes (reduces frequent reheating). Includes USB-powered portability for desks, cars, or outdoor use. Energy-saving (8W) with auto-shutoff after 2 hours. Sleek matte finish, easy to clean (wipeable surface). Bulk order discounts available—global wholesale pricing.