High Quality: These mini microphones are made of aluminum alloy, super smooth touch and stable structure, strong and durable. Superior Sound: Feature HiFi parameters and fine workmanship, smooth surface with good Shine, the sound is clear and loud. Energy-saving design: universal wire connect to mobile phone or laptop, standard 3.5mm stereo plug, no batteries required, lightweight and easy to carry. Metallic colors: These portable vocal microphones are designed with 4 colors, rose gold, rose red, silver color and blue, easy to distinguish when sharing with family and friends. Widely used: Ideal for Karaoke, Internet Voice Chat, Voice Training, Recording and so on, nice tool for traveling or using at home.