Comfort Fit: Specially designed for comfortable fit. Built in Microphone: Supports hands free phone calls. Media controls. Up to 5 hours playtime. Keep all relevant information for future reference. Contents: Intrigue bluetooth headphones. USB charging cable. 3.5 Aux cable. User manual. 1 year warranty for details, visit www.sakar.com/warranty) or call 1-800-592-9541. FCC listed. www.vivitar.com. Support: 877-397-8200. Made in China.