Zonet 4 Port Usb 2.0 Hub W Power Adapter Device Type - Hub Form Factor - External Dimensions WxDxH - 3.2 x 1.85 x 0.63 inch Dimensions WxDxH - 3.2 x 1.85 x 0.63 inch Dimensions WxDxH - 3.2 x 1.85 x 0.63 inch