WEB LINK: http://www.sonicinformed.co.za/catalogue/peripherals-input-devices-usb-devices/ug-usb-60101;

UGreen 60101 4Port USB Synchronous Controller Supports Button Switch And Data Transfer Rate Up To 12Mbps - Black Colour

Features:
-Supports button switch
-LED Status Indicator display
-Plug and play, no drivers required
-Supports keyboard automatic burst
-Supports power off memory function
-Supports USB1.1 with speed up to 12Mbps
-Supports synchronous control and KM switching control
-Screen virtual switch automatically via mouse movement

Specifications:
-Model No: CM228-60101
-Input: 2x USB-A 2.0 ports
-Output: 4x USB-B 2.0 ports
-Data transfer: supports up to 12Mbps
-OS support: Windows/Linux/Mac OS/Android

-Weight: 100g
-Dimensions: (L)15 x (W)15 x (H)5cm

What's in the box:
-1x UG 60101 4Port USB Synchronous Controller