Its a nice PC Cable . Micro USB fits most new phones, not just blackberry. I bought for my Sony Ericsson. And its working well, as should.
Working, no problem, its cheap and functional, nothing else is needed from this product.
Wonderful 16 Foot 5M Male to Female Active USB 2.0 Extension Cable. The USB 2.0 Extension Cable extend the distance between your USB peripheral and your USB hub or computer, assure good signal quality to meet USB specification. Extend up to 25 m (serially connecting up to 5 segments), no signal degradation; it is a good choice for you!