Headphone/ Mic Comparison

Logitech USB Headset H340, Logitech Stereo Headset H150
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Product

Logitech USB Headset H340

Logitech Stereo Headset H150

 General
 Acoustic design Half opened    
 Active noise reduction No Yes   
 Buttons    
 Earpiece design Comprehensive    
 Fastenings    
 Noise reduction (microphone)  Yes  
 Number of drivers Stereo 2.0    
 Miscellaneous
 Release year    
 Power supply
 Operated by battery    
 Battery life    
 Number of batteries for operation    
 Type of battery    
 Features
 Features    
 Eco-labelling
 TCO-labeling    
 Dimensions
 Driver size    
 Weight    
 Design
 Available colours Black cloud white, sky blue, fuchsia pink)  
 Connectors
 Decoder unit    
 Including 3.5 mm / 6.3 mm adapter    
 Type of connector USB   
 Communication
 Connection Wired 3.5 mm   
 Cord length 180 cm    
 Detachable cable    
 Maximum range    
 Wireless connection technology    
 Audio features
 Frequency range 20 - 20,000 Hz    
 Frequency response (microphone) 100 - 10,000 Hz    
 Impedance    
 Impedance (microphone)    
 Sensitivity 40 dBV/Pa 3 dB   
 Sensitivity (Microphone) 40 dB mW    
 Links
 Product page  http://www.logitech.com/en-us/webcam-communications/internet-headsets-phones/stereo-headset-h150  
 Manual    
Warranty
Price 3,299-Rs 1,999-Rs