Walkie-talkie set for secret messaging between little friends. Easy to use, just follow these steps: 1. Flip the switch on to turn on the radio 2. Press the PTT button to talk. Transmit the message through the microphone to the other device . Release the PTT to end conversation Features a built-in battery that is rechargable Made from 100% silicone ABS W: 6,7 cm x L: 12 cm x D: 2,8 cm Suitable from 4 yr + CE marked WARNING! CHOKING HAZARD. Small parts. Not suitable for children under 36 months.