Logitech Wireless Wave Combo MK550. A mouse-and-keyboard combo that gives you a comfort curve without a learning curve. The keyboard~s Wave design with Constant Curve layout guides hands into just the right position and conforms naturally to your fingers, helping you type with ease and confidence in a familiar layout. The laser mouse is a joy to hold and use.

Energizer 357/303 Batteries provide reliable, long lasting power to your important devices. Count on these button cell batteries to power your electronics, whether you need batteries for your kitchen scale, calculator or your keyless entry system. These Energizer batteries also provide dependable power for medical devices, like your glucose monitor or heart rate monitor. Each 357/303 battery holds power for up to 5 years in storage, letting you keep a ready supply of replacement batteries. Plus, these batteries contain no mercury, making them a more environmentally conscious choice. Count on Energizer specialty batteries to provide long lasting power when you need it most.