These microphones are made of , which can withstand the long-lasting use. Features high grade material, which has high durability, not easy to deform. Fine workmanship, it ensures the practicality. Features -Color: Black. -Material: ABS, metal, sponge. -Size: About 4.30X2.50X2.50cm/ 1.69X0.98X0.98in. -Frequency response: 50Hz-20KHz -Impedance: 2.2 -Microphone size: Ø9.7X4.5mm -Sensitivity: -32dB±3dB (0dB=1Pa) -Directionality: omnidirectional -Plug: 3.5mm golden straight -Sound channel: 2-pole mono, 3-pole stereo, 4-pole pin - Made of with workmanship, this product is very practical and durable. - They are compatible for most devices, convenient, multipurpose and practical to use. - They are portable and lightweight, easy to store and carry out, suitable for home or outdoor. - Plugging it on cellphone or camera, you can use the microphones for recording voice or live streaming. - These mini microphones up the atmosphere of a party, which let you enjoy singing or music. Package list: 2 x Mini Microphones