Recordable Greeting Card Module, 4mins Sound Module Light Sense High Sound Quality Voice Sound Record Chip for DIY Audio Cards Easy to Record (Play it again): Amazon.co.uk: Stationery & Office Supplies
Recordable Voice Module, 4mins DIY Recordable Greeting Card Module Music Sound Talk Chip Musical Audio Radio Recorder for Greeting Card.(Single Play): Amazon.co.uk: Stationery & Office Supplies
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Voice Module,DIY Greeting Card Chip,Recordable Voice Sound,4min Record Audio Card,with Light Sensor, for Christmas cards, good gift boxes: Amazon.co.uk: Stationery & Office Supplies
7 best sound modules for greeting cards to surprise your friends