Check the listing for details. Poly CS540A Headset With Handset Lifter TAA. Color: Black, Condition: New. Listed at 255.97 USD. Poly CS540A Headset With Handset Lifter TAA - Mono - Wireless - DECT - 393.7 ft - Over-the-ear - Monaural - In-ear - Noise Cancelling Microphone - Noise Canceling - Black - TAA Compliant Hands-free productivity TheCS540 convertible DECT™ headset provides professional performance so you can get more done - even on the move. The noise-canceling mic reduces background noise interruptions, ensuring great audio quality and easing listener fatigue. Give everyone more freedom to move Everyone in the office could use more flexibility. Let them roam confidently up to 400 ft from the headset base. They'll be able to collaborate simply since teams can conference up to four headsets on a single base. The choice is yours There's more than one way to make a call - switch up styles to find your groove and introduce your ears to something new. TheCS540 convertible design comes with three wearing options: over-the-ear, over-the-head, behind-the-head . It's just easy Simplify desk phone management with headset audio controls and adding either the HL10 Handset Lifter or Electronic Hook SwitchCable (EHC) for remote call capabilities. 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 - saving battery life and maintaining maximum density. SoundGuard technology SoundGuard acoustic limiting technology protects against Acoustic Shock by limiting sounds to below118dBAensuring listening comfort and protection against audio spikes. Superior audio quality Your choice of narrowband audio to extend talk time or advanced wideband audio for high - definition voice quality. Enhanced Digital Signal Processing (DSP) provides more natural sound, delivering clear audio the way it's intended to be heard. ManufacturerHP Inc. Manufacturer Part Number80R99AAABA Brand NamePoly Product SeriesCS500 Product ModelCS540A Product NameCS540A Headset With Handset Lifter TAA Product TypeEarset Technical Information Connectivity TechnologyWireless Wireless TechnologyDECT Wireless Operating Distance393.7 ft Sound ModeMono FeaturesConvertible Design,Hands-free,Flexible,Electronic Hook Switch (EHS) Capable,SoundGuard Technology,Acoustic Shock Protection,Comfortable,Digital Signal Processing (DSP),Wideband Audio Noise CancelingYes Sound Pressure Level118 dB Sound Pressure Level (A-Weighted)118 dB(A) Battery Information Battery Talk Time7 Hour Earpiece Earpiece DesignOver-the-ear Earpiece TypeMonaural Microphone Microphone TechnologyNoise Cancelling Microphone DesignBoom Physical Characteristics Color FamilyBlack ColorBlack Form FactorIn-ear Weight (Approximate)0.74 oz Miscellaneous Application/UsageConferencing,Voice Call,Desk Phone TAA CompliantYes Warranty Limited Warranty1 Year WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov. Please understand , this is only one of over 100,000 products offered for sale by antonline and shipped from our many different automated warehouses. There are no local stores or pick up. All the product information we have is provided by the manufacturer and in the item listing. Manufacturers change colors and item details frequently and often do not update pictures. We have no personal knowledge or experience with this product or ability to customize it. All items ship as addressed in an automated warehouse. The time to process and ship is listed prominently in each listing. It usually takes about a week to get your item. It may be faster or longer as shown in the listing or if credit check or special handling is required. There is no human intervention in the process. That is how we control costs and keep our prices so low. Paypal requires that we only ship to the verified Paypal address provided with the order. NO ADDRESS CHANGE IS POSSIBLE. Atlanta Network Technologies, Inc. We accept payment by: Paypal. Shipping to: United States Excludes: Alaska/Hawaii, APO/FPO, US Protectorates, PO Box. Antonline eBay Return Policy Returning an item purchased from antonline is easy and fully automated with our "Hassle Free Return Program". Please email to request an RMA link.