Headphones from JVC with an on-ear design that makes them rest nicely on your ears. The buttons let you instantly answer a phone call or adjust the volume.
From Amazon
JVC HAKD5V Kids Headphones - Violet
Discount Discs
JVC TinyPhones Kids Stereo Headphones - Yellow HA-KD5-Y
Conrad Electronic
JVC HA-KD5-Y-E Children On-ear headphones Corded (1075100) Yellow, Blue Volume limiter, Light-weight headband