... touch design. In the present state of artistic technology, this is the ideal product for your ipad / iMac / ... for Windows system.3. For Windows system, the PAGE UP key, PAGE DOWN key, HOME key, and END key ... FN key.4. For Mac OS system, the PAGE UP key, PAGE DOWN key, HOME key, and END key ... other Bluetooth enabled device?1. Turn on this keyboard and press the CONNECT key on it. The LED light will blink ...