1. very elastic and comfortable to adapt to the ear canal is not easy to slip. 2. Soft and comfortable, use longer in the ear, effectively reduce ear fatigue. 3. Thickening ear design sleeve can effectively reduce the external noise and improve the low frequency sense. 4. Widely compatible with 90% mainstream headphones in the market. 5. Significantly improve the performance of the bass performance headphones. After mounting, you can improve the experience of sound insulation effect of headphones, and the loss of signal transmission sound is less than 2dB, thus improving the low frequency performance of headphones from the physical structure. More suitable wear for ear canal In shape memory of up to 5 seconds, able to adapt to different types of ear canal. The scientific understanding of sound Energy body heat Activate Memory foam Earphones Ear foam changes soft and supple with the ear canal Based on the foaming technology of our memory foam earphones, it is made to conform to the shape of the human ear canal and becomes soft after being heated by human body temperature. The shape and size of your ear canal changes due to exercise and temperature, so our memory foam earbuds will change with your ear canal and become elastic. For example, when talking, singing, run-ning, sunbathing, etc. can accompany. Effectively solve the problems caused by ordinary silicone earbuds Brand Name: KZ Item Type: Ear Pads Model Number: KZ New Memory Foam Eartips Colour: Black Material: cotton Package Contents: 6 * Headphones Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.