Cisco Headset 730, Wireless Dual On-Ear Bluetooth Headset with Case, USB-A HD Bluetooth Adapter, USB-A and 3.5mm Cables, Carbon Black, 1-Year Limited Liability Warranty (HS-WL-730-BUNA-C)
Amazon.co.jp: Cisco Systems Wireless Headset, 730 Carbon Black Color (HD) Audio, Active Noise Cancelling, Side Tone Function, Bluetooth 5.0, 20 Hours of Continuous Calls, Online Meetings, Listen to Music : Computers