It requires new batteries with a total of more than 3 volts total to work properly. It pairs more easily and works better with an I pad thatn it does with a mac pro or a mac book pro and most importantly 3. It is very sensitive to interference from competing blue tooth devices 2. After playing around with it for quite a bit I found the following: 1. Requires Brand New Strong batteries to work I have the same problem described by others with the keyboard being flaky.
