16 in 1 HIGH SPEED&STABILITY HUB With UL Certification Powered Adapter. With transferring rate of up to 5Gbps, set aside less time for syncing and more time for work, this aluminium alloy compact USB 3.0 hub supports 16 additional USB devices with individual on/off switch charge speeds up to 5V/ 2.4A (Note: actual rate will depend on the capability of your device. ) per port. With UL certificated powered USB 3.0 hub. We focus on high quality and safe power adapters. No noise, no fire hazard, low temperature operation, stable output. Automatic overload cut-off, over voltage cut-off, over temperature cut-off, short circuit protection.