Instruct: Classify a given Amazon review as either positive or negative.
Query: Not as good as it should be

Nice idea, but like others have said, unless you're traveling on very smooth roads, the vibration makes the sound cut off and on. Plus it's not loud enough when the ambient noise is higher. When you turn up the input volume, it overloads and cuts out completely. The vibrations broke the base of mine last weekend, so it's life is over. Still looking for better.