pecification: PD Power Delivery Ver. 3.0 Protocol Up To 60W Power Delivery & 55W For Laptop Charging HDMI Support 4K UHD (3840×2160 @30Hz) Can Work Together VGA Support 1080P (1920×1080@30Hz) LAN Sopprt 10/100/1000BASE-T Network USB3.0 2*USB3.0 A Type (Up To 5Gbps) Total Power Output Up To 5V/900mAh max. USB2.0 2*USB2.0 A Type (Up To 480Mb/s) SD Slot SD 3.0. Support Up To 512GB (Read/write Up To 104MB/s) Can Work Together TF Slot TF 3.0. Support Up To 512GB (Read/write Up To 104MB/s) Audio Audio Jack Port Compatible: Windows System & Mac