Singing Machine With Microphone All-In-One Wireless Home Karaoke Toy Little Girl Amplifier Sound Baby Microphone For Children

Microphone Type: CondenserPointing feature: cardioid pointingBluetooth protocol: 4.2Smart Type: Smart not supportedWhether to support APP: yesBuilt-in battery capacity: 2000mAh-4000mAhBattery life: 6-8 hoursSignal-to-noise ratio: ≥70dbFrequency response range: 100HZ-20KHZ