The GUM Activital Sonic Power 4100 is an advanced electric toothbrush designed for effective daily oral hygiene. This battery-powered toothbrush features soft bristles and claims to be 50% more efficient than manual brushing for improved dental care. The toothbrush comes packaged in a clear blister pack with green accents, displaying the GUM brand name and product details. It requires batteries for operation and includes replacement brush heads. As this is a personal hygiene product, specific performance claims beyond what is visible on the packaging cannot be included.