Product Sheet
Page 1
.... Operating Frequency: Standard Band Headset Microphone: Noise-canceling or Voice Tube Models/Weight: H81N Noise-canceling: 28 g H81 Voice Tube: 12 g Compatibility: Plantronics Audio Processor Wearing Styles: Over-the-Ear Limited Warranty: 2 years © 2010 Plantronics, Inc. Advanced materials make TriStar incredibly light but the noisiest environments. light weight and unobtrusive, delivers great sound...
.... Operating Frequency: Standard Band Headset Microphone: Noise-canceling or Voice Tube Models/Weight: H81N Noise-canceling: 28 g H81 Voice Tube: 12 g Compatibility: Plantronics Audio Processor Wearing Styles: Over-the-Ear Limited Warranty: 2 years © 2010 Plantronics, Inc. Advanced materials make TriStar incredibly light but the noisiest environments. light weight and unobtrusive, delivers great sound...