Pocket Mini Karaoke Singing Microphone 1)Audio port:2-channel 3.5mm ... Switches:volume,reverb,l/r/loop Pocket Mini Karaoke Singing MicrophoneNumber:JYC0301377PKFeatures:1.Simple and easy to operate without ... setting up2.Easy to carry and can practice your singing everywhere3.Two-channel stereo headphones can provide a stunning ... products, varieties, good quality. Pocket Mini Karaoke Singing Microphone