GKCity Kids Early Educational Phone Toys GKCity is a professional company for kids educational toys. On the one hand, baby phone toys can prevent kids from smartphone. On the other hand, it is a great toys for your babies, it has more nursery rhymes, sounds of animals and so on. Biteable Rabbit Ears Kids phone toys are made of non-toxic material. (Under 3 years old kids use under parental supervision) Voice Regulation Baby phone toys' volume is international standard volume not exceed 65 db to protect baby's ear and listening. Reusable Phones Baby phone toys use 3*AAA batteries. Read more One Button to Switch Two Sound Modes Mode 1: Digital Audio. From one to twelve. Mode 2: Analog Sound Effects. Including nursery rhymes, piano piece, lullaby, vehicle sound effects, animal sound effects, weather sound effects, telephone ringing, mobile phone message sound, lovely sound effects, call up, lighting control and camera sound effects.