50.8 mm 
CS510-XD, CS520-XD specifications
The Plantronics CS520-XD and CS510-XD are wireless headsets designed to enhance communication in professional environments. Both models are part of Plantronics' perennial legacy in audio technology, particularly tailored for office use, providing exceptional sound quality, comfort, and advanced features.One of the standout features of the CS520-XD and CS510-XD models is their DECT (Digital Enhanced Cordless Telecommunications) technology, which ensures a secure and interference-free connection. This technology allows users to experience a wide operating range, up to 350 feet or more, giving them the freedom to roam around the office while remaining connected to their calls.
Comfort is another priority for Plantronics, and both headsets feature plush ear cushions and an adjustable headband designed for all-day wear. The lightweight design further enhances comfort, making these headsets suitable for prolonged use without causing fatigue. The CS520-XD features a monaural design, allowing users to stay aware of their surroundings while still engaging in clear conversations. In contrast, the CS510-XD comes with a binaural option, providing immersive sound and helping to block out background noise.
Sound quality is paramount for effective communication, and both models boast high-definition audio performance. With wideband audio support, users will enjoy crystal-clear conversations, which is particularly beneficial in busy office environments. Additionally, the headsets come equipped with a noise-canceling microphone that filters background noise, ensuring that voices remain clear and intelligible during calls.
Another significant characteristic of the CS520-XD and CS510-XD is their battery performance. These headsets offer up to 13 hours of talk time on a single charge, allowing for uninterrupted communication throughout the day. The intuitive charging base makes recharging simple, with users being able to plug in their headsets easily when not in use.
Enterprise-grade security is also a critical feature of both models. The DECT technology used in these headsets provides encrypted communications, safeguarding sensitive information exchanged during calls. This level of security is vital for businesses that prioritize confidentiality.
In conclusion, the Plantronics CS520-XD and CS510-XD wireless headsets combine comfort, exceptional audio quality, and enterprise-level security, making them a solid choice for any professional looking to enhance their communication experience in the workplace.