Poly CS540 Wireless DECT Headset (Plantronics) ÿ Single Ear (Mono) Convertible (3 wearing styles) ÿ Connects to Desk Phone ÿ Noise Canceling Microphone ÿExclusive

• EXTENDED RANGE AND TALK TIME: The adaptive power system optimizes for range and talk time by automatically downshifting to low power when the headset is close to the base.
• SOUNDGUARD TECHNOLOGY: SoundGuard acoustic limiting technology protects against Acoustic Shock by limiting sounds to below 118dBA ensuring listening comfort and protection against audio spikes.
• SUPERIOR AUDIO QUALITY: Your choice of narrow or wideband professional grade audio quality — choose narrowband to extend talk time or wideband mode to enable clearer conversations.
• MAXIMUM PROTECTION: The CS540 headset includes DECTTM technology that provides better audio quality and eliminates interference from Wi-Fi networks while calls stay safe and secure.