Core Features: Retractable hidden microphone arm Multiple microphones Acoustic Shield Technology 3 levels of ANC Qualcomm apt XHD Up to 40 hours of battery life Qi wireless charging Flexible switch between on ear and over ear Dual side busy light for full visible angles Excellent audio experience and all day wearing comfort BT51C USB Dongle Connectivity: USBC Color: Black UC Certified This product ships in approximately 1 days