China Sound Card Manufacturer,Promotional Custom Imprinted Sound Card,Advertising Sound Card,discount Sound Card supplies |
Voice duration: 3 seconds to 60 seconds - Battery life cycle could be up to 200 times - Component: one common paper card and sound module with speaker - The size and artwork are optional - OEM and ODM are welcome - Dimension: L 286 x W 210mm in flat. |
- One is pre-recorded message will be activated by pressing the PLAY button in right-down corner of the card for getting the pre-recorded message. - The other one is the pre-recorded message will be activated once oPen the card. |