Refer the user manual below for troubleshooting
Built-in hidden microphone specially tuned and optimized for phone calls and voice recognition
Lithium-ion battery provides up to 12 hours of continuous music, entertainment and calls, recharge it to 100% in 100 minutes thanks to the included elegant V-Micro USB cable; unlimited hours of music in analog wired mode
Dual-diaphragm 50mm driver is a refined version of the award-winning Crossfade M-100 that was crowd sourced by hundreds of audiophiles and won 17 editors'' choice awards, unrivaled speaker consistency, perfectly balanced air flow mechanics and materials
Luxurious material combination of steel and new vegan leather, meeting military-level standards of the MIL-STD-810G testing guidelines, memory foam cushions and headband provide comfort for extended listening sessions and natural noise isolation

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 7.3 inch
Height : 4.3 inch
Length : 9.5 inch

Item Weight: 10.4 ounce (View shipping rates and policies)
Shipping Weight: 1.95 pounds (View shipping rates and policies)

ASIN : B015R7AGJA