The phone bug in One Piece was a magical creature that allowed people to send messages through phone calls. Their differences and functions were as follows: [Form 1: Phone bugs come in two forms. One is a long creature, and the other is a bat-like bird.] 2. Ability: The ability of the phone bugs can be determined by the information they receive. They can allow people to send various messages through phone calls, including text, images, sounds, and so on. [3. Usage: Phone bugs have a wide range of uses. Not only can they be used to transmit information, but they can also be used for communication, distress calls, transactions, and so on.] [4] Special feature: The phone bug has a high degree of intelligence, it can adjust its ability according to the needs of the user and can receive and send messages through the Internet. The phone bugs in One Piece were magical creatures with intelligence and network communication abilities. Their differences and functions were similar to those in real life.