Poly Blackwire C5210, USB-A & 3.5mm (207577-01 aka 80R98AA)

Poly Blackwire C5210 Monaural Micro USB-A with 3.5mm Headset Ideal for all-day use, long conference calls and listening to multimedia. Cushioned metal headband provides durability while maintaining a comfortable, secure fit. Leatherette ear cushions fold flat for easy storage. New lava colored accents.--Connects to PC and Mac via USB/USB-C, smartphone and tablet via 3.5 mm Intuitive inline controls to answer/end calls, control volume, and mute Dynamic EQ feature automatically adjusts audio for voice and multimedia use Ideal for all-day use, long conference calls and listening to multimedia Ultra-soft leatherette ear cushions wrapped around pillow-soft memory foam provide all-day comfort