Magic Metal Heartbeat Cardiogram Necklace Silver Tone NV50 Heart Wave Charm Pendant Fashion Jewelry Ships from the USA Heartbeat Cardiogram Necklace. Wave pendant and heart charm. Pendant Length: 1 inch. Heart Charm Size: 1/4 inch. Length of Chain, Open from Clasp to End: 20 inches. Makes a perfect gift. Search Magic Metal Jewelry for more jewelry styles. You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!