... or sound card .TEST PASS:ROHS TESTinclude :battery , ic board , cmos chip .Greeting CardsMusical chip with music ... pre-recorded or recordable, with LED flash (optional)Messages: voice, music, and sound, customized sounds are availableRecording duration: 6seconds ... to 30 seconds, even more if requiredComponents: PCB, IC, speaker, microphone, LED indicator, batteries, wire harness, switch, ...