Mobile phone karaoke stereo

Microphone type: capacitor
Overall size: 245*73*73MM
Display screen: none
With wireless: none
Pointing features: others
Track: 7.1
Battery capacity: 1200 mah
Input voltage: 5V
With or without brackets: none
Bluetooth protocol: 5.0
Packing list: a charging cable, instruction manual
Intelligence type: intelligence is not supported
APP support or not: no