ELECOM Kids' Earphones, Low Volume, USB Connection, High Durability, with Mute Switch, Black, HS-KD05UBK, Dimensions: 12.7 x 20.8 x 12.7 mm

These children's earphones with a microphone are convenient for online learning at school, home, or cram school. They feature a convenient in-line controller that allows you to turn the microphone on/off and adjust the volume right at your fingertips. Ear caps are included to allow you to choose the best fit. Four sizes are included, extra small, small, medium, and large, with two sets of each size. (One set of extra small size is already attached to the earphones.) These are dual-ear earphones that allow you to hear voices clearly. The output sound pressure level is 85dB@1mW/1kHz, a low volume specification that is considerate of children's ears. The sound is designed not to be too loud.