Bluetooth V4.0 for business headset for cell phone. USB for use as softphone headset. Docking station for desktop.

• Bluetooth V4.0 for business headset for cell phone.
• USB for use as softphone headset.
• Docking station for desktop.
• Up to 33 ft in wireless range.
• Noise reduction, echo cancellation and noise-canceling mic.
• Full-duplex, simultaneous conferencing.
• Up to 21 hours talk time and 500 hours stand-by time.
• USB charge port included for cell phone charging.