Kinesis Freestyle2 Blue Wireless Ergonomic Keyboard for Mac (9" Standard Separation) Split-adjustable design allows the Freestyle2 to adjust to your body (standard 9" separation) Multichannel bluetooth for pairing with any bluetooth enabled device (e.g., Macbook, iPad, iPhone and iMac etc) Compatible with Mac OS X 10.4 and newer & iOS devices Low force, tactile keyswitches Compatible Accessories: Palm Supports, VIP3 and V3 Lifters for tenting, and Numeric keypad