Particular DesignPortable hand-held wireless microphones can be used as microphone, Bluetooth speaker, player, and recorder. Our microphone adopts high technology with 3-layer anti noise filter net, brings you clear reverberation and lowest noise.Two Way Connection3.5mm audio jack and Bluetooth connection, the wireless karaoke microphones can connect with all Bluetooth devices including Android iOS smart-phones, PC, laptops and APP such as YOUTUBE etc.Multifunctional MicrophoneMultifunctional buttons can adjust the Music, Echo and Volume easily. Wireless mode can be switched into Selfie mode, enables you to take photos.Long Playing TimeBuilt-in 2400mAh rechargeable battery with long lasting. 8-10 hours of continuous usage with a fully charge.High CompatibilitySupporting micro TF card max to 32GB(NOT INCLUDED) and song switch. The Bluetooth has a great distance of connection(10 M), which can support Android, iPhone, iPad, iOS and all Smart-phones.