Kinesis Freestyle2 Blue Wireless Ergonomic Keyboard for PC (9" 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., desktop, laptop, smartphone or tablet) Compatible with Windows 7, 8 and 10, Linux & Android Low force, tactile keyswitches Compatible Accessories: Palm Supports, VIP3 and V3 Lifters for tenting, and Numeric keypad