... music in 6-20 seconds .6.Play music,replay or sound card .7.TEST PASS:ROHS&CE Certification8.Include:battery,IC board ... :1.Pull-tab type (When you open the card,the sound plays)2.Light Activated type(the chip is activated when ... (When you open the card,the sound will play) or Light-sensor type(when the card meets light,the sound plays),3.What kind ...