Headphone/ Mic Comparison

Logitech USB Headset H340, Logitech Stereo Headset H150
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Logitech USB Headset H340

Logitech Stereo Headset H150

 Acoustic design Half opened    
 Active noise reduction No Yes   
 Earpiece design Comprehensive    
 Noise reduction (microphone)  Yes  
 Number of drivers Stereo 2.0    
 Release year    
 Power supply
 Operated by battery    
 Battery life    
 Number of batteries for operation    
 Type of battery    
 Driver size    
 Available colours Black cloud white, sky blue, fuchsia pink)  
 Decoder unit    
 Including 3.5 mm / 6.3 mm adapter    
 Type of connector USB   
 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 (microphone)    
 Sensitivity 40 dBV/Pa 3 dB   
 Sensitivity (Microphone) 40 dB mW    
 Product page  http://www.logitech.com/en-us/webcam-communications/internet-headsets-phones/stereo-headset-h150  
Price 3,399-Rs 2,099-Rs