1. The sound module can record personal messages , voice , or favorist  musics ,  can play your familiar sounds;
     2. Playing time : 10S, 20S, 30S, 60S or be customized etc;
     3. Be suitable for customized greeting cards or other similar products;
     4. high quality acoustic;
     5. Easy to use or operation;
     6. Components : circuit board ( 20*20mm), speaker or buzzing device, cell   ( AG10*1 or AG13*1),  triggering botton,  etc;
     7. This sounds or musics can be re-designed according to your sound
   formats such as wma, mp3,wav,mid, etc