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Horizontal and Vertical Keystone correction: Slides and images can be aligned and distortion corrected
Contrast Ratio 5000:1 / 4
GRAPHICS : AMD Radeon HD6310
Dual Charcoal Filters
Noise Level : 42dB
LOGITECH H540 USB STEREO HEADSET Air Curtains Horizontal and Vertical Keystone correction:DIMENSIONS Height: 180 mm Width: 215 mm Depth: 78 mm Weight: 0. 12 kg Cable length: 1. 8 m SYSTEM REQUIREMENTS Windows, macOS, or Chrome OS and popular calling platforms. Certified Works With Chromebook. USB port TECHNICAL SPECIFICATIONS Microphone Type: Bi directional Input Impedance: 20 Ohms Sensitivity (headphone): 115 dB + 3 dB Sensitivity (microphone): 42 dBV Pa + 3 dB Frequency response (Headset): 20 Hz 20 KHz Frequency response (Microphone):
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