The 20-Port USB Hub 2.0 Charger is a device that allows you to connect and charge multiple USB devices simultaneously. It supports 20 USB ports at the same time, plug and play. It is widely compatible with keyboards, mice, flash drives, mobile phones, mobile power, printers and other USB devices. Support USB 2.0 technology, multi-networkable design, better heat dissipation, and can support multiple devices at the same time. Removable hooks ensure that it can be fixed on the wall or table.1 master switch, easy to use. Built-in 200W power supply built-in, HUB meets CE, RoHS.High quality cable, more stable data transmission. Multi-protection, support overload voltage protection, effectively protect your devices and USB HUB. The 20-port USB Hub 2.0 charger features smart charging technology that automatically detects and delivers the optimal charging current to each connected device, maximising charging speeds while preserving the device's battery life. LED indicators on the charger show the charging status of each port, so you can easily monitor the charging progress of your devices. Package Contents 1*20-port USB2.0 HUB 1x100cm USB cable 1* Fixing plate 1* Screw 1 * User Manual