**iKF portable headphone storage bag, waterproof, specially customized for Bluetooth headphone adaptation, from the inside out, to protect your headphones. The exterior is made of EVA material, built-in crystal flannelette inner lining, soft and skin-friendly, safe and close-fitting earphones. The inside is set with a strap, fixing the headset does not shake, anti-seismic and anti-pressure, more convenient to carry!