Can be used as microphone, bluetooth speaker, player, and recorderMicrophone adopts best in class technology with 3-layer anti-noise filter net, brings you clear reverberation and lowest noiseWireless karaoke microphones can connect with all bluetooth devices including android/ ios smart-phones, pc, laptopsWireless mode can be switched into selfie mode, enables you to take photosColour Name : BlueBattery : Lithium BatteryModel Number : XD555004