1. Item No: SY-258
2. Size:95*36*6mm
3. Name: same page membrane module
3. Sound duration:35-2800s
4. Battery: AAA*2pcs
5.insert the one page membrane into the last page of book ,each page can be activated
1. Item No: SY-258
2. Size:95*36*6mm
3. Name: same page membrane module
3. Sound duration:35-2800s
4. Battery: AAA*2pcs
5.insert the one page membrane into the last page of book ,each page can be activated
