Correct wearing and using method 1. Use a fingertip to gently press the flat sponge cover to make it smaller. 2. Then gently put the sponge cover into the earphone 3. After a few seconds, the sponge sleeve will slowly expand and stick to the ear canal.
What the size of this item ? Large: 13mm Middle: 12mm Small: 11mm
1. Very flexible. Comfortable fit ear canal is not easy to slip 2. Soft and comfortable. Effectively relieve ear fatigue 3. Thickened ear cover design. Effectively reduce external noise and improve the sense of bass