Enjoy sleek styling and enhanced wireless freedom with the M525 Wireless Mouse from Logitech. It features tiny receiver to connect a keyboard, switch between mice, mix and match to fit your requirement. With Logitech Advanced 2.4 GHz wireless, the M525 Mouse delivers reliability of a cord with wireless convenience and freedom for fast data transmission and eliminating delays and dropouts. Plus, its micro-precise scroll wheel gives you the ultimate navigation experience by scrolling through long web pages fast and easy. Besides, the compact size makes it easy to take with you wherever you use your computer at home, at work, or anywhere else. Also, the Laser-grade precision tracks smooth and glossy surfaces. Moreover the tilt wheel lets you to move page backward or forward while your surfing. With ergonomically shaped design and soft rubber grips, conform to your hand to be naturally comfortable with M525 Wireless Mouse. Device Type: Mouse Wireless Receiver: USB wireless receiver Interfaces: 1 x USB - 4 pin USB Type A Service & Compatible with Windows 7: Compatible with Windows 7 OS Required: Linux Kernel 2.6 or later, Microsoft Windows Vista / XP / 7, Apple MacOS X 10.5 or later Features: Scrolling wheel (4-way), battery indicator, soft rubber grip, Logitech Unifying receiver Connectivity Technology: Wireless Movement Detection Technology: Optical Interface: 2.4 GHz Type: AA type Installed Qty: 2 Run Time, Features: Scrolling wheel (4-way), battery indicator, soft rubber grip, Logitech Unifying receiver OS Required: Linux Kernel 2.6 or later, Microsoft Windows Vista / XP / 7, Apple MacOS X 10.5 or later Device Type: Mouse Connectivity Technology: Wireless - 2.4 GHz Movement Detection Technology: Optical Battery: 2 x AA type Wireless Receiver: USB wireless receiver