BLE Shield stands for Bluetooth 4.0 Low Energy - BLE Shield. It is designed to work with Arduino boards, including Arduino Uno, Mega and Leonardo. It allows you to connect your Arduino board with other BLE device. With our current implementation, the Shield supports connection between Arduino to an iPhone 4S or iPad 3rd generation.
Requires iPhone 5, iPhone 4S, iPad mini, iPad with Retina display (4th gen), iPad (3rd gen) or iPod touch (5th gen)
Control your Arduino pins with an iPhone
Pass all sensors data from your Arduino to an iOS App for processing
Use your iDevice as an internet gateway for your Arduino
There are a lot of other possibilities
Nordic nRF8001 Bluetooth Low Energy connectivity IC
Support Peripheral (Slave) role operation only - nRF8001 IC limitation
Proprietary simple serial interface (ACI)
Please visit RedBearLab for more info about this product and technical support.