1. Disposable earmuffs, suitable for Qinghong QH-FDJA otoscope, diameter 2.5mm, 4000 sets

2. Disposable earmuff, suitable for Qinghong QH-FDJA otoscope, diameter 3mm, 4000 sets

3. Disposable earmuff, suitable for Qinghong QH-FDJA otoscope, with a diameter of 4mm and 4000 sets