Logitech H540 Headphones 981-000480 (Black)

Weight and dimensions Product depth: 78 mm Product width: 215 mm Product weight: 120 g Product height: 180 mm System requirements Windows operating systems supported: Yes Mac operating systems supported: Yes Efficiency Cable length: 1.8 m Product color: Black Volume control: Digital Application: Office/Call Center Headset type: Stereo Wearing style: Headband Cable color: Black Product type: Headset Packaging data Packaging depth: 180 mm Weight with packaging: 312 g Package height: 215 mm Package contents Quantity: 1 Ports and interfaces Connection method: Wired USB connector: USB Type-A USB connection: Yes Other functions User Guide: Yes Logistics data Harmonized System (HS) code: 85183000 Main (outer) housing gross weight: 1.6 kg Main (outer) case length: 322 mm Microphone Microphone frequency: 100 – 16000 Hz Microphone sensitivity: -42 dB Microphone type: Boom Safety warning Warnings Please read the instruction manual before use. Do not disassemble or modify the product yourself. This product contains batteries that should be disposed of properly. Headphones Headphone sensitivity: 115 dB Impedance: 20 Ω Frequency response: 20 – 20000 Hz