English 
- Brand: Logitech
- Model: H540 (981-000480)
- SYSTEM REQUIREMENTS:
- Works with Common calling applications across almost all platforms and operating systems.
- Windows® or macOS
- Chrome OS™
- USB port (Type A port or adapter)
- TECHNICAL SPECIFICATIONS:
- Input Impedance: 20 Ohms
- Sensitivity (headphone): 115 dB +/-3 dB
- Sensitivity (microphone): -42 dBV/Pa +/- 3 dB
- Frequency response (Headset): 20 Hz to 20 kHz
- Frequency response (Microphone): 100 Hz to 16 kHz
- Cable length: 1.8 m
- Connections: USB-A compatible (1.1, 2.0, 3.0)
- DIMENSIONS:
- Height x Width x Depth:
- 180 mm x 215 mm x 78 mm
- Weight: 0.12 Kg