Our Karaoke Wireless Microphone has three layers of filter head which can greatly reduce the noise produced when singing. And it uses denoising technology that filters air flow and wind noise effectively allowing you to always sing with perfect clarity. The Speakers in the microphone that is good quality and sound. The Professional Mixer allows you to switch freely so that you can choose any mode you want and then enjoy yourself Two Way Connection Bluetooth Mode(Sing along with music) Pair the mic to your phone via Bluetooth play songs from any app on your phone like YouTube or Music App and stream the music directly to the microphone. Adjust the voice and music volume to sing along! Audio Cable(Sing Record at the same time) Plug micro USB end of audio cable into mic and another 3.5mm audio end into your phone. Turn on the recording app in your phone and sing then your voice will be recorded in the phone. Note: Bluetooth will be auto disconnected when audio cable plugged in. Professional Mixer Specification: Material: Aluminium Alloy Output Power: 5W Charging Voltage: DC 5V Charging Time: 2 hours Power Supply:Built-in 18650 Li-battery Battery Capacity:1800mAh Package Included: 1*Karaoke Singing Microphone 1* USB Charge Cable 1* Instruction Manual