Plantronics CS540 Convertible Wireless Headset, Black

Features

• Provides up to 350 feet (100 m) of hands-free operation
• Contemporary design with ultra-light 0.74 oz (21 g) headset
• One-touch call answer/end, volume, mute and flash controls
• Energy efficient adaptive power system optimizes for range and talk time
• Replaceable battery charges in three hours and lasts up to 7 Hours
• Noise-canceling microphone reduces background ambience ensuring exceptional audio quality
• SoundGuard technology protects against sound levels above 118 dBA
• Anti-startle technology detects and eliminates large and sudden increases in signal level
• Auto answer feature allows you to accept incoming calls by simply lifting the handset
• High definition voice quality with advanced wideband audio technology and enhanced DSP
• Connect new headsets with the base by simply docking them
• Conference in up to three additional headsets for collaboration