OEM Blackberry Curve Pearl Replacement Trackball & Ring

alaTest has collected and analyzed 18 user reviews of OEM Blackberry Curve Pearl Replacement Trackball & Ring from Amazon.com. The average user rating for this product is 3.6/5, compared to an average user rating of 4.1/5 for other products in the same category on Amazon.com. People are impressed by the usability. The price also gets good feedback, but some have doubts about the reliability.