Series: Blackwire 3310 Color: Black Audio System Type: Headset Brand: Poly Headphones Type: On-ear (monoaural) Connectivity Technology: Wired Headphones / Form Factor: On-Ear Sound Output Mode: Mono Response Bandwidth (Headphone): 20 - 20000 Hz Sensitivity: 116 dB Impedance: 32 ohms Magnet Material: Artificial leather (surface material) (Artificial leather (surface material)) Model: Blackwire 3310 Microphone Operation Mode: Omni-directional Response Bandwidth (Microphone): 100 - 10000 Hz Interfaces: USB Type-A Cable Length: 65.8 cm (inline module to headset); 145.08 cm (USB to inline module); 217.93 cm (total USB to headset) Compatibility: Compatible with PCs via USB/USB Type-C, connects to mobile devices and tablets via 3.5 mm (BW3315/BW3325) and devices that support USB Type-C Weight: 102 g Service & Support Type: Poly standard two-year limited warranty Features: Noise and echo reduction Special Feature COO: CHINA / MEXICO TAA compliance: No