{"product_id":"hd-458bt-refurbished","title":"HD 458BT Refurbished","description":"Great wireless sound gets a stunning new look: Sennheiser’s new HD 458BT remixes its exceptional HD 450BT wireless headset with a bold new red and black style. Whether at home or on the move, their captivating sound quality, advanced Bluetooth technology, and excellent 30-hour battery life make them perfect for audio lovers seeking a better wireless listening experience. \u003cbr\u003e\n\u003cbr\u003e\nWith active noise cancellation and a closed back design, the HD 458BT delivers superior, distraction-free sound with deep dynamic bass – even in loud environments. Exceptional quality is assured by high-quality wireless codec support, including AAC and AptX™, with AptX™ Low Latency to keep audio perfectly in sync with on-screen action when watching videos. Sennheiser’s Smart Control App makes it possible to tailor the sound via an intuitive equalizer or using the special podcast mode to boost speech intelligibility.\u003cbr\u003e\n\u003cbr\u003e\nA great companion for travel, the HD 458BT has a superb 30-hour battery life with fast USB-C charging, a Voice Assistant button for Siri and Google Assistant interaction, and a robust folding design for take-anywhere durability.   \u003cbr\u003e\u003cbr\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApprox. 238 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApp support\u003c\/td\u003e\n\u003ctd\u003eEQ and updates via Sennheiser Smart Control App\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudio codec\u003c\/td\u003e\n\u003ctd\u003eSBC, AAC, AptX™, AptX™ Low Latency\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Specification\u003c\/td\u003e\n\u003ctd\u003eBuilt-in Lithium-Polymer rechargeable battery: 3.7 V ⎓, 600mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Profiles\u003c\/td\u003e\n\u003ctd\u003eHSP, HFP, AVRCP, A2DP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBluetooth Version\u003c\/td\u003e\n\u003ctd\u003e5.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharging Current\u003c\/td\u003e\n\u003ctd\u003e500 mA max.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharging time\u003c\/td\u003e\n\u003ctd\u003eApprox. 2 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharging voltage\u003c\/td\u003e\n\u003ctd\u003e5 V, DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEar coupling\u003c\/td\u003e\n\u003ctd\u003eAround Ear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency response\u003c\/td\u003e\n\u003ctd\u003e18 Hz to 22,000 Hz (-10 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency response (Microphone)\u003c\/td\u003e\n\u003ctd\u003e80 Hz to 6,000 Hz (-3 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransducer principle (Microphone)\u003c\/td\u003e\n\u003ctd\u003eMEMS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModulation scheme\u003c\/td\u003e\n\u003ctd\u003eGFSK, π\/4 DQPSK, 8DPSK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating time\u003c\/td\u003e\n\u003ctd\u003e30 hours music playback via Bluetooth with ANC activated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePick-up pattern\u003c\/td\u003e\n\u003ctd\u003eDual Beamforming\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSound pressure level (SPL)\u003c\/td\u003e\n\u003ctd\u003e108 dB (1 kHz\/0 dBFS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTHD, total harmonic distortion\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.3 % (1 kHz, 100 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransducer principle\u003c\/td\u003e\n\u003ctd\u003eDynamic, closed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission frequency\u003c\/td\u003e\n\u003ctd\u003e2,402 MHz to 2,480 MHz\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/table\u003e ","brand":"Sennheiser-EMEA","offers":[{"title":"Default Title","offer_id":40173078544520,"sku":"B508968","price":97.9,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0314\/8863\/9112\/files\/HD-458BT_Sennheiser_9cc0acb3-334f-48d3-bff0-9dd822181111.jpg?v=1775465328","url":"https:\/\/global.sennheiser-hearing.com\/en-br\/products\/hd-458bt-refurbished","provider":"Sonova Consumer Hearing GmbH","version":"1.0","type":"link"}