ENERGY STAR® is the government-backed symbol for energy efficiency, providing simple, credible, and unbiased information that consumers and businesses rely on to make well-informed decisions. ENERGY STAR is the simple choice for energy efficiency, making it easy for consumers and businesses to purchase products that save them money and protect the environment. ENERGY STAR i-tec USBALL2, USB, Silver, 100 mm, 18 mm, 56 mm, 75 g i-tec USBALL2. Host interface: USB. Product colour: Silver. Width: 100 mm, Depth: 18 mm, Height: 56 mm. Data transfer rate: 480 Mbit/s, Platform: PC, Connectivity technology: Wired