... ....... Hot sale right now! Sound Module with PCB Board and Speaker, OEM Orders are Welcome Function:1. ... sticker, and door message sticker; 2. Material: Mic, PCB, Switch , IC chip, speaker and battery;3. We ... mould: slide switch, push button, light-sensor;8. The operation is very easy and funny, when ... you need. Parameter:Speaker: 40mm;Battery: 3* AG;PCB size: 40*30mm.MOQ: 1000 pcs.Packing:1000 ...