Adjustable keyboard tray and mouse pad

A keyboard tray system, comprising:

• a keyboard tray;
• a first connection mechanism connected to the keyboard tray and configured to connect to an object;
• a mouse pad adjustably connected to the keyboard tray by a second connection mechanism,
• wherein the first connection mechanism is structured and arranged to provide:
• vertical height adjustment of the keyboard tray relative to the object;
• horizontal translational adjustment of the keyboard tray relative to the object;
• swivel movement of the keyboard tray about a vertical axis;
• and tilt angle adjustment of the keyboard tray about a horizontal axis;
• the second connection mechanism comprises:
• a height adjustment mechanism configured to adjust a vertical height of the mouse pad relative to the keyboard tray;
• and an angular position adjustment mechanism configured to adjust a pivotal position of the mouse pad relative to the keyboard tray;
• the second connection mechanism is selectively detachable from and re-attachable to the keyboard tray at a first predefined location and a second predefined location;
• the second connection mechanism is configured to provide horizontal translational adjustment of the mouse pad relative to the keyboard tray;
• and
• the angular position adjustment mechanism is structured to permit an upper surface of the mouse pad to be horizontal when the keyboard tray is angled at a negative tilt angle.