Plantronics EncorePro 510 Headset (Unused) Single-ear type - Model Name: EncorePro 510 - Brand: Plantronics - Condition: Unused (in bag) - Instruction Manual: Quick Start Guide, USB conversion cable (compatible product) included A USB conversion cable (compatible product) is included. When connected to a PC, it is recognized as "USBAudio2.0". Voice and microphone operation have been confirmed to work correctly on Windows 11 with Discord streaming.