There is a switch to turn on or turn off, if your nail is too short, you can use the small tool or other sharp thing to control.
It can be connected to your phone via Bluetooth and then play music.
The Led light can be arbitrary controlled on/off.
|Product Details||Product weight: 0.0200 kg
Package weight: 0.0400 kg
Product size (L x W x H): 7.00 x 7.00 x 1.00 cm / 2.76 x 2.76 x 0.39 inches
Package size (L x W x H): 10.00 x 10.00 x 2.00 cm / 3.94 x 3.94 x 0.79 inches
|Package Contents||1 x Fidget Spinner|