This accessory is compatible with the following: Apple iPhone 4， iPad 2， 3 Color: whiteSize: 45 x 45 x 15mm approx.The dock connector can connect IPAD to the general standard monitor， projector， LCD monitor with HDMI connector or cable. You can use an external display as your main workspace or to extend your desktop as a computer (need to install displayout software); addition， you can also connect the projector using mirror mode to see the same picture with the audience.Note: This product only supports IOS6.0 or above systems1 x Dock connector