Karaoke Machine Kids,maxant Portable Karaoke Machine with Wireless Microphone Karaoke Machine Wireless Microphone Toy with Bluetooth and Voice Changing Effects,for Girls and Boys,White

Product parameters:

Microphone Specifications:

Working voltage: 3.7V

Frequency range: 20HZ-20KHZ

Battery specification: 1200mAh

Power adapter: DC5V≦1000MA (common with mobile phone charger)

Charging time: 3.5-4 hours

Speaker specifications:

Bluetooth version: 5.0

Speaker diameter: 57mm

Speaker power: 6W

Working voltage...