• Material Characteristics: The product is made of ABS and a compound that is eco-friendly, scientific, light, and beautiful
• Applicable To Multiple Scenarios: It fits securely on the back and you don't have to worry about it falling off when running or dancing
• Adjustable Strap: The shoulder strap of the Butterfly Wings is adjustable. Suitable for the person of different age
• Can Be Hung On The Wall: There is a hook on the back, which can be hung on the wall as a wall decoration if not worn
• Suitable for Birthday/Halloween/Christmas/Indoor/Outdoor, etc.

Specifications:

• Powered by: 4 x 1.5V AA batteries (Not Included) 
• Lifetime: 90min (with light)
• For age: 3-10 years old
• Music Switch (3 Gear): 
• Press the button one time to light up the music wings
• Press the button again to close the music
• Press the button a third time to turn off the music wings