The difference is clear voyager pro clear. The dual-microphone AudioIQ2 noise-cancelling technology of the Plantronics Voyager® PRO Bluetooth® headset, pushes the limits, by cutting up to 80% of background noise.Plantronics Voyager PRO headset really is the business tool you can rely on

• Dual-mic AudioIQ2 noise-cancelling technology enriches voice quality
• Rotating boom places microphones where they best capture your voice
• Three layers of protection from wind noise
• Durable headset withstands daily wear and tear
• Multipoint pairs one headset to 2 audio Bluetooth devices
• Talktime up to 6 hours / Standby up to 5 days
• Warranty : 1 year.