The microphone core ensures clear sound effects, enhancing your audio using experience. Whether you're at a ktv or concert, this microphone core is versatile. Its durability and reliability are with its plastic and sponge materials, allowing for use. Features -Color:Black -Material:Sponge, plastic -Size:6.20X3.00X3.00cm/2.44X1.18X1.18in -Versatile and suitable for any occasions, such as ktv, studios, wedding, outdoor or stage performance, concerts. -Boasts performance due to its sturdy construction using plastic and sponge materials. -Offers convenient and fast installation, featuring clear sound and high sensitivity. -With useful design, the microphone core is stable and firm, simple structure, safe and practical. -This microphone core can provide you with long-term service can use it with confidence. Package list: 4 x microphone core