Poly CS540 Headset & Lifter Set DECT Wireless Solution for Deskphones

Connects to: Desk phoneIdeal for: Office and desk-centric workers across the enterprise looking for a simple-to-set-up, simple-to-use wireless offering for managing desk phone calls Talk time: Up to 7 hoursHeadset weight Convertible: 21 gramsWireless frequency: DECT 6.0, range up to 100m Audio performance: Narrowband or wideband: up to 6,800 Hz