• Specially customized for professional fever earphones
• Very elastic and comfortable to fit the ear canal, and is not easy to slip out
• Soft and comfortable, use it longer in the ear, effectively reduce ear fatigue
• Thickening ear muff design can effectively reduce external noise and improve low frequency sense
• Effectively solve the problems caused by ordinary silicone earbuds

Specifications:

• Material: Memory Foam
• Size: M/S/L
• Inner diameter: 4.2mm
• Outer diameter: 11mm(S), 12mm(M), 13mm(L)