Happy Hacking Keyboard Features by model Features by model

| Model_Name | Model_ | Color | Switch_Type | Interface | Blank_Keytops | Introduced |
|---|---|---|---|---|---|---|
| Happy Hacking Keyboard Lite 2 | PD-KB210W/U | White | Membrane | USB | No | Mar 15, 2001 |
| Happy Hacking Keyboard Lite 2 | PD-KB210B/U | Black | Membrane | USB | No | Mar 15, 2001 |
| Happy Hacking Keyboard Lite 2 | PD-KB220W/U | White | Membrane | USB | No | Mar 15, 2001 |
| Happy Hacking Keyboard Lite 2 | PD-KB220B/U | Black | Membrane | USB | No | Mar 15, 2001 |
| Happy Hacking Keyboard Lite 2 | PD-KB220MKW | White | Membrane | USB | No | Mar 15, 2001 |
| Happy Hacking Keyboard Lite 2 | PD-KB200MKB | Black | Membrane | USB | No | Mar 15, 2001 |
| Happy Hacking Keyboard Lite 2 | PD-KB200MA | White | Membrane | USB | No | Mar 15, 2001 |
| Happy Hacking Keyboard Lite 2 | PD-KB220MA | White | Membrane | USB | No | Mar 15, 2001 |