Introducing the new USB 3.0 4-port hub and charging station. With a lightning-fast transfer rate of 4.8Gbps (Giga bits per second), it's 10 times faster than USB 2.0. It also intelligently manages power by providing more power when needed and conserving power when devices are connected but not in use. Complies with CE, FCC, ISO 9001, Prop 65, RoHS. Complies with CE, FCC, ISO 9001, Prop 65, RoHS. 3.56" L x 1.75" W x 0.48" Thick