Given an Amazon review, indicate whether it is a 'Positive Review' or 'Negative Review'.

This product is not worth buying. I bought 2 as Christmas gifts directly from the company. 1 doesn't work properly and the other is just junky. I tried to return the product but they are unwilling to take it back. Waste of your money!
Negative Review

Works with the Thinkpad power brick. I prefer this to the regular adapters because I can put this on my laptop's power source before the trip and I never have to worry about misplacing/forgetting the dang power adapters. Plus it makes is much easier not having to figure out how to plug some power stack contraption and keep it from disconnecting in various outlets. And it is shorter in size than the regular US power cord with adapter, meaning it has a chance of fitting in more hotel room power outlets, which for some reason are always located behind some unmovable nightstand with about half an inch of space to spare for plugging in stuff.
Positive Review

Was great for a while. Sure, there was a bit of a static sound in the back, but the sound was nice and the microphone was very clear.<br /><br />After about 3 months the earpieces died. Sounds were terribly distorted, and eventually just started giving off nothing but a static sound.<br /><br />I figured, no big deal. At least the mic still works. Before the fourth month, it was going in and out. I'd have to wait for a while for it to actually give off sound again until one day it just finally died.<br /><br />These can't even last half a year, let alone barely survive 1/4th a year. Would not recommend them to anyone.
Negative Review