Cisco Bang and Olufsen 980 Headset - Stereo - Mini-phone (3.5mm), USB - Wired/Wireless - Bluetooth - 39.4 ft (12 m) - 24 Ohm - 20 Hz to 20 kHz - Over-the-ear - Binaural - Circumaural - MEMS Technology, Uni-directional Microphone - Noise Canceling - First Light

Zebra HS3100-OTH Bluetooth headset - Mono - Wireless - Bluetooth - 50 Hz to 8 kHz - On-ear - Monaural - Supra-aural - Noise Canceling - Black

Apple AirPods Max Headset - Siri - Stereo - Wireless - Bluetooth - Over-the-head, Over-the-ear - Binaural - Circumaural - Starlight

Apple AirPods Max Headset - Siri - Stereo - Wireless - Bluetooth - Over-the-ear, Over-the-head - Binaural - Circumaural - Purple

Apple AirPods Max Headset - Siri - Stereo - Wireless - Bluetooth - Over-the-head, Over-the-ear - Binaural - Circumaural - Blue

Apple AirPods Max Headset - Siri - Stereo - Wireless - Bluetooth - Over-the-ear, Over-the-head - Binaural - Circumaural - Midnight

Apple AirPods Max Headset - Siri - Stereo - Wireless - Bluetooth - Over-the-ear, Over-the-head - Binaural - Circumaural - Orange

Poly CS540 DECT 1920-1930 MHz Headset Convertible Multi Pack (3 Pieces) - Mono - Wireless - DECT - 393.7 ft (120 m) - 20 Hz to 6.80 kHz - Over-the-head, Over-the-ear - Monaural - Ear-cup - Noise Cancelling Microphone - Black

Lenovo Battery - Proprietary Battery Size