The MINIX Neo A2 Lite or Neo A3, (or the backlit variants of either remote) are frequently purchased together with various MINIX devices, or they're a popular upgrade. The A2 Lite/A3 remotes also have the fly mode capability (airmouse), with keyboards on the rear face as well.
Just Google/search "MINIX Neo A2 Lite" or "MINIX Neo A3" yourself as you're then more likely to get results specific to your geographical location for purchase .