A4 Data Technology is a manufacturing and technology company in the computer peripheral field. It manufactures wireless and wired keyboards, mouses, headphones, speakers, gaming devices, and batteries. The company develops computer peripherals, such as V-Track and Holeless engine wireless mice which prevents all mice issues such as short-battery lifespan, sluggish cursor, and pinpoint accuracy. A4 Data Technology Inc was founded by Ellis Hung, Bin Xu, and Yanggui Chen in 2013, and is located in Milpitas, California.