You will get 3 USB Slide Tongue Sound Modules &  1 USB Programmer(regardless of quantity)SOFTWARE ONLY WORKS FOR PC, NOT FOR MACOnce you order the slide tongue we will send a link to download our free softwareUse this USB direct sound / voice module with SLIDE TONGUE activation. Ideal for musical greeting cards, talking toys, special gifts, and talking cards. You can plug it into your PC's USB port directly and easily record your music or voice message up to 104 seconds (can even go longer about 209 seconds with music or voice file that recorded in studio) by using our free software.MODULE CAPACITY104 seconds @ 16kHz139 seconds @ 12kHz167 seconds @ 10kHz209 seconds @ 8kHz279 seconds @ 6kHz