voice postcard 1,recording time:0-270sec 2,40mm speaker and Ag10 cell batteries 3,press button to listen to vivid sound

voice postcard1,recording time:0-270sec2,40mm speaker and Ag10 cell batteries3,press button to listen to vivid sound

4,Custom size will be welcomed .Often the size is 15cmx10cm .

5,The EVA foam of in the middle of card .

6.Custom sound with mp3 or wave file format is ok.

7.Custom artwork with PDF or AI file format .

8.Comply CE and RosH.

9,Material :Artpaper,Copperpaper or others.

10,The surface of card is dealed with matt finish,gloss finish ,lamination etc.

11,Sound postcard is very suitable for gift,business,greeting or others.