Made with Breathable cotton, Flexible ,invisible Logo. Headphone jack fit for most devices
With volume control, have the mic to talk, volume up and down.Has Velcro adjustable, very easy to fit.
One year Warranty, replacement for free while recieved email ,copy the email to web browser for customer service
https://www.amazon.com/ss/help/contact/?marketplaceID=ATVPDKIKX0DER&sellerID=A1J3G4O6VCMEBU
Sleep headband, Perfect for sports and Phone talk on bed.

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 2.91 inch
Height : 1.5 inch
Length : 3.7 inch

Item Weight: 0 ounce (View shipping rates and policies)
Shipping Weight: 2.08 ounce (View shipping rates and policies)

ASIN : B011L8UQDA