Wireless Bluetooth Audio Mini Microphone Singing And Singing All-in-one Machine Children's Family Ktv Suit

Product information:
Color: oil color white (HIFI sound effect-12D stereo surround) Double microphone, fancy pink (HIFI sound effect-12D stereo surround) Double microphone, sky blue (HIFI sound effect-12D stereo surround) Double microphone, oil Color White (HIFI sound effect-12D stereo surround) single micro headset, fancy pink (HIFI sound effect-12D stereo surround sound) single microphone, sky blue (HIFI sound effect-12D stereo surround sound) single microphone
Frequency range: 100HZ-20KHZ
Forehead regular power: 5
Level voltage: 5