These wireless headphones are comfortable to wear and provide amazing sound quality. Pair via Bluetooth® to your Smartphone, Tablet, or computer so you are free from getting tangled in cables, and take phone calls using the integrated microphone. The rechargeable battery provides up to 18 hours of playback time or 14 hours of talk time. Simply connect to a USB power source to recharge. When not in use, they fold up to take up less space. Includes 3.5mm to 3.5mm auxiliary cable and USB charging cable. Features:• Bluetooth® Wireless Technology • Rechargeable Battery • In-Built Microphone • 3.5mm Auxiliary Jack