Retangular USB hub in aluminum housing with 4-USB ports. Compatible with USB 3.1 gen 1 up to 5 GB/s data transmission and downward compatible with lower versions. 10 times faster than USB 2.0 in handling data. Maximum 900mA downstream charging per port and max 3A downstream charging across all USB-A ports. Delivered in a premium kraft paper box with a colourful sticker. Aluminium, ABS Plastic.