Material: ABS Size: 16 * 3.5 * 2cm/6.30"*1.38"*0.79" (L*W*H) Cable length: 52cm/20.47" USB connecters: 7 Chip: High-speed 2.0 chip USB Interface: USB2.0 interface、 up to 480Mbps、 compatible with USB 1.1 / 1.0 standard Operat