Verve HD 360 Hybrid ANC Wireless Over-Ear Headphones, Black/PlatinumUSB Type-C fast-charging.Extended 50-hour playtime.Built-in microphone. WARNING: This product can expose you to chemicals including Cobalt [II] oxide, a chemical known to the State of California to cause Cancer and Lithium carbonate, a chemical known to the State of California to cause Birth Defect/Reproductive Harm. For more information go to www.P65Warnings.ca.gov. - Cancer:Cobalt [II] oxide;;Birth Defect/Reproductive Harm:Lithium carbonate