... Chips (sometimes also known as recordalbe Modules), can be used for a wide variety of applications, including Promotional Products, Invitations, ... Circuit board, Voice chip, Speaker, tongue tab switch, adhesive base and 3 pcs batteries.4.speaker: 27mm or 40mm5.support format ... to 270 seconds,even more if required11.Function: pre-recorded or recordable, USB input, with LED flash (optional)12.Power: 3 x ...