Wireless Bluetooth Karaoke Microphone,3-in-1 Portable Handheld Karaoke Mic Speakers High quality made Karaoke 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 Louder and Powerful Sound The Speakers in the microphone that is good quality and sound. And the sound quality is improved by 30% with the Update Bass Diaphragm Cavity, which gives you the stronger shock and heavier sense and makes you feel like you're singing in a KTV. How to connect Bluetooth Mode(sing with bluetooth microphone） 1.Turn on microphone, a blue light will come on and a sound will indicate that bluetooth function is ready for use. 2.Search bluetooth ID Q37 on mobile phone/ tablet/ pc and connect. 3.Open any Karaoke APP or select music file from your device music player, and adjust your device accordingly. 4.Adjust Q37's volume, echo,Music and Mode. 5.Sing Along Material: Aluminium Alloy Weight: 365g(12.87oz) Output Power: 6W(Speaker Output) Charging Voltage: DC 5V Charging Time: 2 hours Sing Time: Up to 5-10 hours Battery Capacity: 2200/2600mAh Products Size: 9.45*2.95*2.36in Speaker Frequency: 100Hz-10KHz Transmission Distance: 10m(32.8ft) Power Supply: Build-in Li-ion battery Maximum sound pressure level: >115db 1KHz THD<1% Reverb Mode: Echo sound reverberation Color: As the picture shows Package Includes: 1 x BONAOK Karaoke Microphone 1 x BONAOK Colorful Hard Box 1 x BONAOK Black Case 1 x Micro USB Cable 1 x Audio Cable 1 x Instruction Manual