Amazon.com: Plantronics - Blackwire 3320 USB-A - Wired, Dual-Ear (Stereo) Headset with Boom Mic - USB-A to Connect to Your PC, Mac or Cell Phone - Works with Teams, Zoom & More :
Replacement Ear Pads Repair Parts Compatible with Plantronics Blackwire C3310 M C3320 C3310 M C3320 M BW3310 BW3320 USB Headset|Earphone Accessories| - AliExpress
Plantronics Blackwire C3225 Review: Premium headset, solid call quality | Windows Central
Replacement Ear Pads Repair Parts Compatible with Plantronics Blackwire C3310 M C3320 C3310 M C3320 M BW3310 BW3320 USB Headset|Earphone Accessories| - AliExpress