Battery life is superb, I literally go more than a year without having to change it, and there is never any lag when you go to use it

Amazing battery life, works precisely, good response

Battery life on their products are unbelievable.

Works great, battery life is unreal.

Works great, battery life is unreal.

The battery life is impressive as well

The battery life on this thing is insane

Battery life is very good as well.

The battery life is impressive with a high quality battery, due to the excellent sleep mode

The battery life is awesome

The battery life is outstanding.

The battery life is amazing.

Great value and long battery life plus works off same USB key- great deal on refurbs too!

Battery life is incredible

It's sturdy, the battery life is great, and I have zero complaints about how well it works for casual gaming.

It works flawlessly, it's comfortable, battery life is amazing and the price is good (even better when it's sometimes on sale)

Nice ergonomics, battery life was good and there was very little latency

Battery life is great too

so battery life is excellent

I don't like micro mice as they are too small and cause cramping.

Can't beat it, works as you need, plug in and go, nothing complicated

the cursor, or “jittering” as they call it.

well I like it and use it daily for both bruising and photo edit

I like the two buttons on the side for back and forward when on a browser, very nice.