
Sound Module/Pad for Education Book. Customizable Sound Content: Supports customer-provided sound files with 15 seconds per button and 80 seconds total duration. Customizable Sticker Design: Accepts customer AI format sticker files using 157gsm art paper with special die-cutting. Durable Battery Life: Features 3 AG10 batteries with a cycle life of 500-560 cycles and 2-3 years storage time. Safe & Certified Materials: Made of non-toxic ABS plastic, passing CE, RoHS, EMC, and EN71-1/2/3 safety standards. Optimal Sound Volume: Output volume meets children's book standards at 75-85 dB with a 29mm 8ohm speaker. Fast Sample Turnaround: Samples ready in 7 working days after receiving custom sound and sticker files. Flexible Production Time: 30-45 days total production time including material booking, manufacturing, and shipping prep. Versatile Sound Options: Offers standard sounds or custom voice options like animals, transportation, melodies, and speech.