HP Mogo Bluetooth X54 Presenter Travel Mouse for Laptops HP Bluetooth ExpressCard Laser Scroll Mouse General Features: Designed to store in your notebook's ExpressCard/54 slot Compact size ideal for use with notebooks Bluetooth v.2.0 wireless technology 2-button layout Scroll feature Laser pointer built-in Slide changer function Built-in rechargable Lithium-ion battery is designed to charge in your ExpressCard slot