Features Cursor Control Joystick Offers full device control so you can use your presenter like a mouse, moving your cursor up/down and left/right on the screen Red Laser Pointer Make your point at the touch of a button with a bright red laser that can highlight any part of your presentation with complete effectiveness Intuitive Backlit Button Controls Convenient LED backlit buttons seamlessly move your PowerPoint or Keynote presentation forward or back, along with screen blackout option and a button to activate the red laser pointer 150-Foot Range Roam the room with maximum freedom, knowing that your receiver will stay connected during your presentation, even when you are far away from the host device Internal Receiver Storage Convenient place to store your wireless USB receiver so it won't get lost, as each presenter and receiver are uniquely paired to prevent interference Plug & Play 2.4GHz Wireless Connection Offers secure and reliable performance through a compact USB receiver for the ultimate in freedom and mobility during your presentation Comfortable Grip Specially designed contours make holding the presenter extremely comfortable while holding it in your hand About Kensington Cursor control joystick lets you use the presenter like a mouse, moving cursor up/down and left/right. Red laser pointer Backlit button controls move slides forward/back, black out screen and activate the green laser pointer Extended 150-foot wireless range to roam the room Internal storage for wireless USB receiver so it won't get lost Plug & Play 2.4GHz USB wireless connection Comfortable grip with special contours for the hand Compatible with Windows 10, 8.1, 8, 7 and Mac OS X