1.2.4G Wireless Keyboard&Mouse 2.Mini USB interface, the charging voltage:DC 5V 3.Laser-pointer ... is a wireless RF keypad and mouse for input and operation device, it can support computer, TV and other portable Bluetooth or RF ... for operation.Product Features:•Tiny in size, powerful in function •2.4G Wireless Keyboard & Mouse (Left button, Right button and Middle button) & Trackball & 3mW ...