[4 in 1 MICROPHONE KARAOKE] Can be used as Microphone, Recorder, Voice changes, Bluetooth speaker used on KTV singing, Gathering singing, Family singing, Travel singing, Car Stereo, Instrument Recording, Interviews and Live ect. And supports professional song switch, play or pause [TWO WAY CONNECTION] Bluetooth & Cable Connection, Compatible with all smart devices( iOS and Android system and tablets) with Bluetooth function. Easy to pair, Bluetooth connection has a great distance of 10m without obstacle. microphone karaoke can sing along with the music in the background [GOOD SOUND & GREAT KTV Echo] Superior Mic, Large Stereo Speakers, maximum SPL 115db 1KHz THD<1% and Noise Reduction.Stunning KTV live-sound, and clear music rhythm with echo reverberation [STEREO EFFECT AND EXTRAORDINARY RECORDING] Professional microphone system, three-layer high-density noise reduction, intelligent mixing chip, compatible design, professional audio processor, the highest quality chipset with Dual stereo headphones, more stunning KTV live-sound, more clear music rhythm with echo reverberation [PACKING LIST] 1* Microphone Karaoke, 1*Micro USB cable, 1*Audio cable, 1* Instruction manual. We offer returns and refunds within 2 months, one-year warranty and Permanent Friendly Customer Service