Yoolim Designed Smart LED System With APP Control Type C Recharge Battery PRO 3.0  Build KIT For NS  Electric Violin 
Features:
Yoolim Designed Smart LED System
APP Control Bluetooth Connect 
Thousands of lights and effects 
Music Rythem Groover Effects 
Special Design For NS Electric Violin 
Charge 20mins for using 1-2hours 
Best Choice for stage performance and DJ ,Show ,Wedding etc
Package included: 1SET- Yoolim Designed Smart LED System With APP Control Type C Recharge Battery PRO 3.0  Build KIT For NS Electric Violin