Made of premium metal and alloy materials, this mini microphone is durable to use. A must-have home entertainment present for family and friends who like singing and voice recording, they will like your present. Features -Color: Rose red, , silver, gold color -Material: Metal, aluminum alloy -Size: 6.00X2.00X2.00cm/2.36X0.79X0.79inch. -Channel: 5.1 -Frequency response range: 100HZ-20KHZ -Signal to noise ratio: >=70db -Endurance: 8-12 hours - It is compatible with most kinds of electronic equipments, can use it with confidence. - No external power required, you just need to plug it in your phone and connect speakers or headphones. - Suitable for podcasting, singing, interviewing, video blogging, filmmaking, -streaming, and anywhere you might need to record audio. - Small and compact, it comes with a appearance, you can easily put it in your bag. - The mini microphone is easy to carry and will bring you much convenience for outdoor singing or interview use. Package list: 4 × Mini Microphones