Advanced 2.4 GHz wireless connectivity. Transmission link secured with 128-bit Advanced Encryption Standard (AES).
Wireless range: 10 meters (33 feet)**Actual wireless range may vary with use, settings and environmental conditions.
Connect / Power: Yes, on/off switch
Battery type: 1 AA
Battery life (not rechargeable): 12 months**Battery life may vary based on user and computing conditions.
DPI (Min/Max): 1000±
Sensor technology: Logitech Advanced Optical Tracking
Number of buttons: 3
Scroll Wheel: Yes, 2D, optical
Standard and Special Buttons: Middle click
Connection Interface: USB receiver
Unifying-ready mouse: No
Unifying-ready receiver: No
1-Year Limited Hardware Warranty