alaTest has collected and analyzed 22 user reviews of Kensington Charge and Sync Dock for Apple iPhone 4 from Amazon.com. The average user rating for this product is 3.1/5, compared to an average user rating of 3.8/5 for other products in the same category on Amazon.com. Reviewers really like the reliability and design. The performance and price also get good reviews. Many are critical about the sound and portability. There are some mixed reviews about the size.