Features Wireless bluetooth 5 0 connection handheld karaoke microphone KTV level stereo sound immersive singing experience One key to eliminate the original song easy to control the accompaniment song Built in sound card enjoy singing and show your voice Reverb can make stereo sound it can be adjusted according to your needs Multi platform compatibility connect to the big screen and experience a higher level 2000mAh battery capacity super long endurance Support TF card it can be used as a speaker Specifications Brand BakeeyModel K2bluetooth version V5 0Frequency response range 150Hz 10kHzBattery 2000mAhLife time About 6 hoursCharging time About 3 hoursCharging portType CSize215 108 38 mmPackage List 1 Microphone 1 Charging Cable 1 User Manual