Yealink VCM36-W. Product type: Microphone, Product color: Black, Placement supported: Desk. Connectivity technology: Wireless, Device interface: USB-C. Power source type: Battery, USB, Battery life (max): 12 h. Width: 3.94" (100 mm), Depth: 3.94" (100 mm), Height: 0.65" (16.5 mm). Country of origin: China, Quantity per master (outer) case: 20 pc(s), Master (outer) case weight: 17.8 lbs (8.07 kg)