{"product_id":"poly-blackwire-c435-m-binaural-wired-headset-400119","title":"Poly Blackwire C435-M Binaural Wired Headset","description":"\u003ch2\u003ePoly Blackwire C435-M Binaural Wired Headset\u003c\/h2\u003e\n\n\u003cp\u003eThe Poly Blackwire C435-M is a lightweight, modular USB headset designed for PC-based calls, video conferencing and multimedia. Its convertible design allows it to be used as a binaural stereo headset or changed to a monaural configuration, providing greater flexibility for different working and listening preferences.\u003c\/p\u003e\n\n\u003ch3\u003eConvertible Mono or Stereo Design\u003c\/h3\u003e\n\n\u003cp\u003eThe Blackwire C435-M includes a modular second earpiece, allowing users to choose between binaural stereo audio and a single-ear configuration. Stereo mode provides audio through both ears for calls, music and multimedia, while mono mode helps users remain more aware of activity around them.\u003c\/p\u003e\n\n\u003ch3\u003eDiscreet Over-the-Ear Wearing Style\u003c\/h3\u003e\n\n\u003cp\u003eRather than using a conventional overhead headband, the C435-M features a compact over-the-ear design. Its low-profile appearance makes it suitable for video meetings, PC telephony and mobile professionals who want a less prominent headset.\u003c\/p\u003e\n\n\u003cp\u003eAn optional neckband kit can be purchased separately for users who prefer a behind-the-head wearing style.\u003c\/p\u003e\n\n\u003ch3\u003eWideband Voice and Stereo Multimedia Audio\u003c\/h3\u003e\n\n\u003cp\u003eWideband voice support helps produce clear, natural speech during compatible calls. For music and multimedia, the headset provides stereo output across a wider frequency range, while Dynamic EQ automatically adjusts the sound profile according to whether the user is speaking or listening.\u003c\/p\u003e\n\n\u003ch3\u003eNoise-Cancelling Boom Microphone\u003c\/h3\u003e\n\n\u003cp\u003eThe boom-mounted noise-cancelling microphone is designed to reduce surrounding background sound before it reaches the listener at the other end of the call. Enhanced digital signal processing further supports natural-sounding voice communication.\u003c\/p\u003e\n\n\u003ch3\u003eConvenient In-Line Call Controls\u003c\/h3\u003e\n\n\u003cp\u003eThe in-line control unit provides quick access to commonly used call functions without requiring the user to return to the softphone window.\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eAnswer or end supported softphone calls.\u003c\/li\u003e\n\t\u003cli\u003eIncrease or decrease listening volume.\u003c\/li\u003e\n\t\u003cli\u003eMute or unmute the microphone.\u003c\/li\u003e\n\t\u003cli\u003eView in-line indicators for supported call and mute states.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMicrosoft-Optimised Legacy Model\u003c\/h3\u003e\n\n\u003cp\u003eThe C435-M was certified for Skype for Business and optimised for Microsoft Lync and Microsoft Office Communicator. These are legacy Microsoft communications platforms, and the original certification does not confirm current Microsoft Teams certification.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eConvertible modular design supports binaural stereo or monaural use.\u003c\/li\u003e\n\t\u003cli\u003eUSB connection for compatible Windows PCs and Mac computers.\u003c\/li\u003e\n\t\u003cli\u003eCertified for Skype for Business and optimised for Microsoft Lync.\u003c\/li\u003e\n\t\u003cli\u003eNoise-cancelling boom microphone helps reduce distracting background sound.\u003c\/li\u003e\n\t\u003cli\u003eWideband voice audio supports clearer speech on compatible calls.\u003c\/li\u003e\n\t\u003cli\u003eDynamic EQ automatically adjusts audio for calls and multimedia.\u003c\/li\u003e\n\t\u003cli\u003eIn-line answer, end-call, mute and volume controls simplify call management.\u003c\/li\u003e\n\t\u003cli\u003eSoundGuard technology provides acoustic limiting for sounds above 118 dBA.\u003c\/li\u003e\n\t\u003cli\u003eCompact design and included carrying case support storage and transport.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 13px;\"\u003eTechnical Specifications:\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ctable\u003e\n\t\u003cthead\u003e\n\t\t\u003ctr bgcolor=\"#444444\"\u003e\n\t\t\t\u003cth style=\"color: #ffffff; font-size: 14px;\"\u003eSpecification\u003c\/th\u003e\n\t\t\t\u003cth style=\"color: #ffffff; font-size: 14px;\"\u003eDetails\u003c\/th\u003e\n\t\t\u003c\/tr\u003e\n\t\u003c\/thead\u003e\n\t\u003ctbody\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\"\u003e\n\t\t\t\u003ctd\u003eBrand\u003c\/td\u003e\n\t\t\t\u003ctd\u003ePoly, formerly Plantronics\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eProduct Range\u003c\/td\u003e\n\t\t\t\u003ctd\u003eBlackwire 400 Series\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\"\u003e\n\t\t\t\u003ctd\u003eModel\u003c\/td\u003e\n\t\t\t\u003ctd\u003eBlackwire C435-M\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eRegional Part Numbers\u003c\/td\u003e\n\t\t\t\u003ctd\u003e85801-01 or 85801-05, depending on regional version\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\"\u003e\n\t\t\t\u003ctd\u003eProduct Type\u003c\/td\u003e\n\t\t\t\u003ctd\u003eConvertible binaural and monaural wired UC headset\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eConnectivity\u003c\/td\u003e\n\t\t\t\u003ctd\u003eUSB\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\"\u003e\n\t\t\t\u003ctd\u003eHost Devices\u003c\/td\u003e\n\t\t\t\u003ctd\u003eCompatible Windows PC or Mac computer\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003ePrimary Microsoft Certification\u003c\/td\u003e\n\t\t\t\u003ctd\u003eCertified for Skype for Business and optimised for Microsoft Lync\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\"\u003e\n\t\t\t\u003ctd\u003eCurrent Microsoft Teams Certification\u003c\/td\u003e\n\t\t\t\u003ctd\u003eNot confirmed\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eHeadset Type\u003c\/td\u003e\n\t\t\t\u003ctd\u003eBinaural stereo with convertible monaural configuration\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\"\u003e\n\t\t\t\u003ctd\u003eWearing Style\u003c\/td\u003e\n\t\t\t\u003ctd\u003eOver-the-ear; optional behind-the-head neckband available separately\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eMicrophone Type\u003c\/td\u003e\n\t\t\t\u003ctd\u003eNoise-cancelling boom microphone\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\"\u003e\n\t\t\t\u003ctd\u003eMicrophone Frequency Response\u003c\/td\u003e\n\t\t\t\u003ctd\u003e100 Hz–8 kHz\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eVoice Frequency Support\u003c\/td\u003e\n\t\t\t\u003ctd\u003eWideband telephony up to 6,800 Hz\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\"\u003e\n\t\t\t\u003ctd\u003eStereo Output Frequency\u003c\/td\u003e\n\t\t\t\u003ctd\u003e20 Hz–20 kHz\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eAudio Processing\u003c\/td\u003e\n\t\t\t\u003ctd\u003eDynamic EQ and enhanced digital signal processing\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\"\u003e\n\t\t\t\u003ctd\u003eCall Controls\u003c\/td\u003e\n\t\t\t\u003ctd\u003eAnswer and end compatible calls\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eAudio Controls\u003c\/td\u003e\n\t\t\t\u003ctd\u003eVolume up, volume down and microphone mute\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\"\u003e\n\t\t\t\u003ctd\u003eHearing Protection\u003c\/td\u003e\n\t\t\t\u003ctd\u003eSoundGuard acoustic limiting for sounds above 118 dBA\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eIncluded Accessory\u003c\/td\u003e\n\t\t\t\u003ctd\u003eProtective carrying case\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\"\u003e\n\t\t\t\u003ctd\u003eOptional Accessory\u003c\/td\u003e\n\t\t\t\u003ctd\u003eBehind-the-head neckband kit\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eProduct Status\u003c\/td\u003e\n\t\t\t\u003ctd\u003eLegacy discontinued model\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003eChoose the Poly Blackwire C435-M for a flexible mono or stereo USB headset solution, and add it to your cart after confirming compatibility with your computer and communications application.\u003c\/p\u003e\n","brand":"FirstShop","offers":[{"title":"Default Title","offer_id":53256015675759,"sku":"C435-M","price":270.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0457\/5893\/9300\/files\/c435-m-headphones-earbuds-1251620359.jpg?v=1785443969","url":"https:\/\/www.firstshop.co.za\/products\/poly-blackwire-c435-m-binaural-wired-headset-400119","provider":"FirstShop","version":"1.0","type":"link"}