Neo Geo Pocket

The Neo Geo Pocket Color was released back in 1999 in Japan. It was a 16-bit color portable designed by SNK, the makers of the Neo Geo CD. It came after SNK's original Neo Geo Pocket, which debued in 1998. Back in 2000, the Neo Geo Pocket Color was dropped from both the U.S and European markets because of the its inability to support itself financially.

Specs:

CPUS: Toshiba TLCS900H core (16-bit), 6.144 MHz,

                    Z80 at 3.072 MHz for sound.
     RAM:           12k for 900H, 4k for Z80
     ROM:           64kb boot ROM
     COMMUNICATIONS:SIO 1 channel 19200 bps, 5-pin serial port
     RESOLUTION:    160x152
     COLORS:        16 palettes per plane, 48 palettes.  
                    146 colors on screen out of 4096.**
                    NEO GEO POCKET color mode, 20 colors out
                    of 4096.
     SPRITES:       64 sprites per frame, 4 colors per sprite*.
     SCROLLING:     2 scrolling planes, 8x8 character tiles, 4
                    colors each*.
     SOUND:         PSG 6 tone simultaneous output.  Stereo sound.
     CARTRIDGES:    Maximum 2 MB (16 Mbit) with 4-16Mbit flash
                    memory.
     BATTERIES:     40 hours on 2 AA batteries.
     MISC:          Lithium battery backed-up memory and clock