- Original Kekz audio chip model DE-ZOO-3234, designed for children from 4 years old - Includes the Disney Zootopia story with approximately 77 minutes of content - Exclusively compatible with Kekz headphones, easy to install and use - Volume limited to 85 dB to protect children's hearing, according to pediatric recommendations - Does not require downloads, mobile phone, or Internet connection, ideal for travel and independent use - Encourages intuitive handling and independent content control by the child - Offers audiobooks, audio games, and educational music, as well as original Kekz content - Compact, lightweight design (0.02 kg) and durable in charcoal color