CompuPhase develops software and hardware (electronics) per specification, and markets several products that it produces. Area of focus is on contract programming of applications and embedded systems. They also undertake design and production of custom electronics
The player has no moving parts (solid state) and it plays MP3 fragments from a Compact Flash card. Its successor, the H0420 programmable MP3 player is programmable by the end user (or site owner) through a scripting language.