♫【4 in 1 Karaoke Microphone】Portable hand-held wireless microphones can be used as microphone, speaker, loudspeaker, recorder. Mini home KTV for music playing and singing at any time. ♫【Quality Audio Sound and High compatibility】Professional audio processor and tuning system, three layers high destiny noise reduction, creating a stunning KTV live-sound environment and wonderful echo reverberation. ♫【Two Way Connection】3.5mm audio jack and connection, the wireless karaoke microphones can connect with all devices including Android iOS smart-phones, PC, laptops and APP such as YOUTUBE etc. connection has a great distance of 10m without obstacle. ♪【Long Palying Time】Built-in 2400mA rechargeable battery, this Wireless Karaoke Microphone can last more than 5-6 hours after a fully charge.