Suitable: these portable microphones can be compatible with most electronic devices, but not for all electronic devices; For other models of phones, a converter is required to use them; In addition, the volume of our mini microphone will be a little lower than that of ordinary microphones Energy-saving design: universal wire connect with mobile phone or laptop, standard 3.5 mm stereo plug, no batteries needed, fit fit most electronic devices, no worry about a battery dead mic in the middle of a song, lightweight and easy to carry Metallic colors: these portable vocal microphones are designed with 4 colors, rose gold, red rose, silver color and blue, enough for meeting your choices and light up your moods, share with your family and easy to distinguish Good workmanship: these mini microphones are made of aluminium alloy material, durable and sturdy, feature hi-fi parameters and nice workmanship, smooth surface with good sheen, the sound is clear and loud What you get: one package includes 4 pieces of universal wire connect mini microphones in 4 colors, each color has 1 piece, enough quantity for your use and sharing Product Description Read more Method for Microphone Phone Karaoke: Install any karaoke software on the mobile phone, then connect your phone with the software correctly, and open the software to carry out karaoke. The Difference of Karaoke Between for Apple & for Android Phone: When listening to music, there has reverberation effect for Apple phone (litsistening to the own voice while singing); An adapter may be required to use. If you want to have the same effect for an Android phone, please turn on the karaoke settings to see if there is a headset return function (more than 90% of phones have ear return function for Android, they can also sing and listen at the same time!). Precautions for Microphone Computer: Desktop computer can only be used as ordinary headphones to listen to songs. If you want to chat or karaoke, please install an independent sound card. Laptop can be plug and play, but only suitable for an ordinary chat, if you want to karaoke, please also install an independent sound card.