Connect to any two devices with Bluetooth® Multipoint. Connect via USB-C Dongle or wired. 55 hours worktime. Quick Mute button with mic indicator light. Clear calls with noise-canceling mic. AppConnect to any two devices simultaneously. Show mobile, computer and tablet maybe all connected to the hadphonesQuick Mute Indicator. Show zoomed in and light on. Includes type-C charging cable for charging and wired connection. Black.