Below we see the V450's transmitter, which is much smaller than that of it's LX-7 cousin. Flip the V450 over, & a couple of things stand out: the large recessed slot, & the button in said slot. When you travel with your V450, bringing the transmitter along is as simple as sliding it into the bottom of the mouse. Not only that, but once you plug it into the mouse for your next trip, it automatically powers the mouse off, which will definitely save precious battery time. So, what's up with that button, then? Well, instead of having us poor V450 users prying away at a battery cover when it's time to replace those worn-out Duracell's, Logitech figured it would toss us a bone with a spring-loaded battery cover release button. Press the button, & the battery hatch pops right open, & all you'll have to do then is lift it easily from the mouse.

Handy? Yes. Whether it's actually worth it in the long run remains to be seen. The number of times you actually have to replace your batteries should be miniscule, so losing or wearing out that spring shouldn't be an issue. But then again... ya never know.... After you remove the battery cover, you'll see that the majority of the V450's interior is nothing but battery space. The two AA's make up the majority of the V450's 121g weight, which, it turns out, feels just about right during use.

In my humble opinion, the V450 is the cream of the wireless notebook mouse crop. The more ergonomic design, & weight make it effortless to use, & the transmitter storage compartment is definitely a welcomed addition. Over the weeks of use, I've not yet had to worry about battery life once. I've also been able to use the V450 on any surface with no issues whatsoever. The small size of the transmitter is a plus as well, as it is less likely to snag on anything should you need to move your notebook from one Starbucks table to the next. Overall, yet another solid effort, & thanks to Logitech for the chance to review it.