Havells Crabtree Signia USB Charging Socket – Grey The Havells Crabtree Signia USB Charging Socket – Grey is a modern modular solution designed for fast and convenient charging of smartphones, tablets, and other USB-powered devices. It delivers stable output with efficient charging performance while ensuring complete electrical safety. With a compact 1 module design, it fits neatly into modular plates, saving space and reducing clutter. Made from high-quality fire-retardant polycarbonate, it offers durability and long-lasting use. The elegant grey matte finish enhances modern interiors, making it a stylish and practical addition to homes and offices.