We haven't had a chance to fully test this product yet, but we've assembled this helpful overview of relevant information on it.
Logitech Bluetooth Easy-Switch
The Logitech Bluetooth Easy-Switch is a wireless keyboard designed to be used in conjunction with Apple devices running OS X and/or iOS operating systems. The Easy-Switch additionally features backlit keys and an aluminum chassis.
OS X/iOS Compatibility
iOS; OS X
Integrated; rechargeable (via USB cable)