Feature:
Over 500000 songs  karaoke machines
3T big Harddrive build in
Support IOS and Andriod Mobile Device order song
Over 500000songs in Cloud avaiable for free downlord
2 x 1/4" Microphone Inputs in front.
Digital Key control 
Support Youtube Karaoke 
Features:
Bluetooth Function, you can easily connect the Ipad and Any other android Device and sing the songs from youtube of other app
UHF highfrequcy micphones
build in karaoke mixerer you can adjust the Echo and Delay in the micphones