The built-in advanced rechargeable lithium battery charges quickly via micro USB within about 2 hours & can play up to 10 hours of music

headphones

Diameter : 38cm

Size : Shown in the below photo

'Doggy Triceratop' by Style's Bug Pack:1 pc The built-in advanced rechargeable lithiumDURABLE & WASHABLE MATERIAL : It is made up of quality material which is Durable and washable, NOT EASILY FALL OFF : The pet wear won't easily fall off. This will bear the resistance from running, rolling, chewing, etc. STYLE'S BUG WARRANTY : We are committed to provide the best comfortable pet products and best services to you. Do not hesitate to contact us if you have any questions or problems with the product. Customer satisfaction is on our top