The EncorePro HW725 Headset from Plantronics when combined with optional Plantronics Manager Pro software, offers a fully integrated audio and asset management solution providing all-day users with enhanced audio, comfort, and durability, and IT managers with management capabilities. Made from nylon composite materials, the Plantronics EncorePro HW725 headset features an ultra-lightweight design with soft and comfortable leatherette ear cushions for all-day comfort. Intuitive inline controls let you answer/end calls, control the volume, and mute.The unique, extendable boom ensures precise positioning and enables optimal noise cancellation to help ensure every word is heard. Stereo wideband audio delivers richer, clearer conversations, while SoundGuard and SoundGuard DIGITAL protect you from hearing discomfort and listening fatigue. The SoundGuard is acoustic limiting for hearing protection against sounds above 118 dBA. SoundGuard DIGITAL with G616 support limits the level to 102 dB SPL. Anti-startle provides additional protection that detects and eliminates sudden increase in sound, while Time Weighted Average (TWA) prevents average daily sound exposure from exceeding 85 or 80 dBA.