KeySonic ACK-540, Mini, Wired, PS/2, Gray KeySonic ACK-540. Keyboard form factor: Mini. Keyboard style: Straight. Connectivity technology: Wired, Device interface: PS/2. Product color: Gray http://www.expertreviews.co.uk/peripherals/219333/keysonic-wireless-mini-keyboard While its not strictly a Media Center keyboard, KeySonics Wireless-Mini is well suited to controlling a PC from your sofa. With its compact keyboard and touch pad, it looks like half a laptop. The touch pad is easy to use thanks to its large surfa... https://xsreviews.co.uk/reviews/peripherals/keysonic-540rf-wireless-keyboard/ Today I have the KeySonic ACK-540RF which is the abbreviated way of saying wireless keyboard and mouse. Small in size and wireless in nature, the 540RF should make for interesting testing. Specs Wireless mini-keyboard with built-in touchpad and 2 mous... The KeySonic 540RF wireless keyboard is great for HTCP owners, or anyone’s desk that isn’t solely used for computing. The ability to just store the keyboard out of the way when not in use is perfect for the space conscious user or in an enviro...