Inspect product frequently for tears or cracks. Discontinue use immediately if tears or crack develop. Remove all plastic attachments before giving to child. This item contains non-replaceable batteries / please dispose properly. Links intended for attaching toys, not for teething. This device complies with Part 15 of the FCC rules. Operation is subject to the following 2 conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. U.S. FCC Warning: Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.