Children's Student Baby Sound Insulation Earmuffs Protective Anti-Noise Noise Reduction Earmuffs Sleep Learning Drum Kit Noise Reduction Headphones

Wearing method

1 stretch the head to the appropriate "open" position and above the head, and cover the Cup with both ears.

2 relax the head beam back and adjust the height of the Cup until the head beam can support the Cup and the ears feel comfortable.

3 The soft cushion of earmuffs should fit the head tightly