From the Manufacturer Features EnlargeEnlargeEnlargeEnlargeEnlargeLogitech Mouse m525 (Black/Grey) Precision performance meets personal styleControl freaks, rejoice. With micro-precise scrolling, ultra-smooth cursor control and super-long-and-reliable battery power, this compact mouse screams controland personal style in your choice of five sweet color combinations. Enlarge   Improved scroll control Innovative Micro-precision scroll wheel  puts more control under your finger with more grooves per millimeter Faster, easier web navigation and scrolling through long web pages Tilt wheel lets you move backward and forward on the web, just like a swipe* Long-lasting power 3 full years of battery life means you almost never need to change batteries** On-Off switch and smart sleep mode save power Battery indicator light eliminates surprises Enlarge   Hand-friendly design Ergonomic shape and soft rubber grips conform to your hand and feel naturally comfortable Compact size is easy to take with you from home to work or anywhere you use your computer Enlarge Versatile USB Unifying connects up to 6 Unifying-compatible devices. Enlarge For a full-size mouse in juicy colors, check out the Logitech Mouse M310. CompareWhich Logitech Mouse is right for you? What to look for Mice Full-Size Mice Good Better Best Mouse M305 Mouse M525 Marathon Mouse M705 Anywhere Mouse MX Mouse M310 Mouse M510 Couch Mouse M515 Performance Mouse MXConnection Strength The higher the signal strength, the more reliable your connection will be. Especially important in busy environments like airports. 2.4 GHz 2.4 GHz 2.4 GHz 2.4 GHz 2.4 GHz 2.4 GHz 2.4 GHz 2.4 GHz Tracking Quality Look for smooth, precise cursor control. The higher the quality, the easier it is to navigate documents and web pages. The best also work on more surfaces, including glass. High-definition optical Advanced optical for multi-surface tracking Laser Also works on glass Laser Laser Also works on couch, blankets, etc. Also works on glass Power Management Stay more productive and eliminate hassles with longer periods between battery changes or a rechargeable mouse. 1 AA battery (6 months max. battery life) 2 AA batteries (3 years max. battery life) 2 AA batteries (3 years max. battery life) 2 AA batteries (6 months max. battery life) 1 AA battery (12 months max. battery life) 2 AA batteries (2 years max. battery life) 2 AA batteries (2 years max. battery life) Rechargeable The stays in your computer for cordless mouse control. The smaller the (from standard to nano size), the more convenient it is. The Unifying also lets you add compatible Unifying devices like a keyboard.   Nano size Unifying connects up to 6 Unifying-compatible devices Unifying connects up to 6 Unifying-compatible devices Unifying connects up to 6 Unifying-compatible devices Nano size Unifying connects up to 6 Unifying-compatible devices Unifying connects up to 6 Unifying-compatible devices Unifying connects up to 6 Unifying-compatible devices Scrolling Performance Scroll through long documents and web pages without having to drag the scroll bar. Performance ranges from fast to hyper-fast. Create The Combo That Works For YouLogitech has a range of products that you can connect via a single, tiny Unifying you leave plugged in to your notebook. Mix. Match. Unify. Now you can create your perfect laptop workstation, wherever you work.Logitech Illuminated Keyboard k800 With laser-etched, backlit keys you can see easily in any light, a sleek look, and comfortable, fluid typing, Logitech Illuminated Keyboard k800 delivers a brilliant typing experience-day or night.Logitech