Skip to content
  • Connects to
    • Desk phone
    • Enterprise office environments with a large concentration of desk-centric workers looking for a simple-to-set-up, simple-to-use wireless offering for managing desk phone calls
    • CS545-XD: Unlimited** CS540-XD: Up to 6 hrs CS510-XD/CS520-XD: Up to 8.5 hrs
    • CS540-XD/CS545-XD Convertible: 21 g CS510-XD Over-the-head (monaural): 72 g CS520-XD Over-the-head (binaural): 94 g
    • 900 MHz, range up to 350 ft
    • Narrowband or wideband: up to 6,800 Hz
    • CS510-XD, CS520-XD, CS540-XD, CS545-XD: SoundGuard: protects against sound levels above 118 dBA
    • CS545-XD: Convertible + unlimited talk time** CS540-XD: Convertible CS520-XD: Over-the-head, binaural CS510-XD: Over-the-head, monaural
    • Neckband sold separately
    • Includes a spare battery and charging cable for unlimited talk time