Logitech MX1000 is a classic laser cordless mouse. Logitech claims that this new laser-based optical mouse offers a 20x surface tracking improvement over LED-based optical mice like the MX700. Its main features includes:

• 1. Rechargeable with a rapid-charging base station and a lithium-ion battery.
• 2. FastRF cordless performance that equals a USB corded connection.
• 3. Universal forward and back / Application switch (to move between open windows).
• 4. Superior grasp.
• 5. Illuminated 4-level battery indicator.
• 6. Powerful tilt wheel plus zoom: scroll side-to-side, up and down (Cruise Control), zoom in/out with a click.
• 7. Resolution: 800dpi , Imaging processing 5.8 megapixels per second.

The Logitech MX1000 use a rechargeable li-ion battery pack. Here is battery specification.
Type: Li-ion
Voltage: 3.7V
Capacity: 1700mAh
Replace code: L-LB2, 190247-1000, NTA2253