animal membrane button sound module for child board book 1. Module size: 95*35*6mm (this is our own mold ,please see the inside sound module in the below pictures) 2. Sticker: 100GSM sticker *1pc, or no need it 3. Batteries: 3PCS *AG10 batteries(replaceable batteries), 4.5V operating voltage; Battery life cycle: 500~560 cycles, Storage time: 2-3 years. 4. With standard sound or custom voice, such as the animals sound, transportation sound, melody voice, human talking voice 5. Up to Volume standards for children's books: 75-85 dB 6. 29*7mm speaker *1pc 7.All the materials are nontoxic and environmentally friendly, and can pass CE/ROHS/EMC/EN71Besides we could provide all the raw materials SGS testing reports. 8. Sample ready time: 7 working days after received the custom sound & paper design Picture show More detailed information about our 5 PET button sound module 1.Item 6 PET button module 2.Material ABS + Sticker 3.Specification Plastic moudule size: 95*35*6mm Ag10*3PCS( Battery can be replaceable.) 1pc 29*7mm speaker,8Ω 4.IC duration 3~5seconds per button,about 25 seconds in total.(this can be changed according to your sound files) 5.Operating Each button stands for one sound. 6.Payment term T/T, 30% deposit +70% balance money paid before the shipment. 7.Production time 8.Package Customized package,according to your requirements.