USB Or PS / 2 Or USB + PS / 2 Interface Waterproof Silicone

Wired USB or PS/2 Multimedia Keyboard with 10 Hot Keys on the Side and Water-resistant Keypad

Multimedia Keyboard, Wired USB or PS/2, 10 Hot Keys on Both Sides and Water-resistant Keypad

Magnetic Strip Card Reader and Writer, Fully Compatible with MSR206, USB or PS/2 Interface

USB or PS2 Standard Keyboard with Special Texture Material, Nice Appearance

Chocolate Slim Standard Keyboard, 105 Keys, USB or PS2 Connector Available

Custom Industrial Metal Keyboard With Trackball , USB or PS

Custom Industrial Metal Keyboard With Trackball , USB or PS

Custom Industrial Metal Keyboard With Trackball , USB or PS