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

[Q]: Using this to with an OXA 30000mah Frosted Box F1 Ultrathin External Battery Pack. Works like a charm!
[A]: Positive Review

[Q]: Bought our son a lap top for Xmas and this was the perfect accessory. Not a super thick case, but good for keeping the compute rin at home and in the car.
[A]: Positive Review

[Q]: useful, resistent, works great for days without turn off. And the best part is because you can let the laptop screen at a high position that is more confortable to use (ergonomic), even when you are not at a table...
[A]:
Positive Review