1. Pre-recorded sound into the sound chip can be played again and again when opening the cards.
2. 2 or 3PCS batteries are workable.
3. For different sound volume, speaker size of 29mm / 36mm and 40mm is accepted.
4. The sound module is used for musical greeting cards, plastic toys, packing gift box with sounds and so on.
5. OEM customization is workable.
1. Pre-recorded sound into the sound chip can be played again and again when opening the cards.
2. 2 or 3PCS batteries are workable.
3. For different sound volume, speaker size of 29mm / 36mm and 40mm is accepted.
4. The sound module is used for musical greeting cards, plastic toys, packing gift box with sounds and so on.
5. OEM customization is workable.