... , foil-stamping, matt lamination, and 3D designsPackage: each card with an envelope in a polybag, 400 pieces in a cartonQC ... light, voice, vibration, PIR, etcFunction: pre-recorded or recordable, with LED flash (optional)Messages: voice, music, and sound, customized sounds ... , even more if requiredComponents: PCB, IC, speaker, microphone, LED indicator, batteries, wire harness, switch, more or less for ...