... design can at your options, currently,we have light ,vibration,squeeze,push,slide buttons,you can send your voice file ... :3pcs×AG104 Activated: by squeeze switch(such as light,pressure, vibration sensor, push switch,also can accpt custom) 5. Function: pre ... board,speaker,battery,etcButtonSqueeze switch,pull-tab switch,push button,vibration or at your optionsDuration time10s,20s,30s,40sPackingone pieces/ ...