KZ 6 PCS Sound Insulation Noise Cancelling Memory Foam Earbuds Kit for All In-ear Earphone, Size: L & M & S(Red)

1. Contains three models of large, medium and small, one pair of models. 2. The advantages of memory cotton: very flexible, comfortable fit to the ear canal, not easy to slip. Soft and comfortable, it lasts longer in the ear, effectively reducing ear fatigue. 3. The thickened earmuff design effectively reduces external noise and improves the low frequency sense. 4. After assembly, the sound insulation effect of the earphone can be enhanced, and the sound signal transmission loss does not exceed 2dB, thereby improving the low frequency performance of the earphone from the physical structure. 5. Effectively solve the problems caused by ordinary silicone earmuffs, such as long-term wear, ear discomfort and so on. 6. Foam technology based on memory ear cotton, made by conforming to the shape of human ear canal, softened by body temperature heating, the shape and