Calculator is powered by included four AAA batteries with a lithium battery backup to protect RAM memory during main battery change

Domed design and lift-and-lock tab helps prevent spills from sloshing

mais robuste et protecteur

Fixez solidement une tablette de 9 à 11 po à un bureau et ajustez la longueur

Ces câbles réseau sont dotés d'une garantie à vie

Logitech Marathon M705 Wireless Mouse - Black VariesBy:Default Calculator is powered by includedLogitech Marathon Mouse M705 lets you power on and on. It uses far less power than comparable wireless mice from other companies, so you'll go up to three full years between battery changes. And it uses a tiny wireless receiver that stays plugged in to your computer, so your mouse is ready to go whenever, wherever, and for as long as it takes. Plus, hyper fast scrolling means you'll fly through long documents to find what you need in a flash. Laser