also: キッズけいたい
noun
kids' cellphone; children's mobile phone
A mobile phone designed for children, typically with parental controls, GPS tracking, and limited functions.
小学生になったら、キッズケータイを持たせる家庭が多い。
Many families give their children a kids' cellphone when they start elementary school.
キッズケータイには防犯ブザーが付いている。
Kids' cellphones come with a security buzzer.
Wasei-eigo (Japanese-made English) combining 'kids' and a clipping of 'keitai' (携帯, mobile phone).