Dimension: Ear piece is 3″ diameter.  The head part is 13″
LED Color: Multicolor
Modes: 3
Battery type: Regular coin battery, replaceable but not suggested.
Material: Foam

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Dimension: Ear piece is 3" diameter.  The head part is 13"
LED Color: Multicolor
Modes: 3
Battery type: Regular coin battery, replaceable but not suggested.  
Material: Foam

Note:

Not an actual headphone it doesn't work as one. Perfect accessory in your future party!  It’s very light, as it is made of foam.