H.C.L. Electronics Beat Plus Springboard Module Tone generator Springboard module for Handspring Visor handhelds Enable 16 simultaneous FM tones and ADPCM sounds to be added to Palm OS applications Integrated monaural speaker and a 3.5mm stereo headphone jack Comes with full version of Astraware Zap!--the ultimate shooting game for Palm Color compatible for use with Handspring Visor Prism