{"product_id":"hd-350bt-refurbished","title":"HD 350BT Refurbished","description":"The new HD 350BT are the ideal choice for people that love great audio. Enjoy an engaging sound experience with deep dynamic bass. Quality is guaranteed by the latest wireless technology including Bluetooth 5.0 and AAC, AptX™ codec support, with AptX™ Low Latency for perfect audio synchronization with videos. The Sennheiser Smart Control App makes it easy to customize the sound via the equalizer or engage podcast mode for improved intelligibility of speech content. \u003cbr\u003e\nThe HD 350BT also feature an impressive 30-hour battery life that can be rapidly recharged via USB-C. It features a Voice Assistant button for instant Siri and Google Assistant interaction, intuitive physical controls for every day ease of use and a robust folding design for take-anywhere durability.   \u003cbr\u003e\u003cbr\u003e\u003ctable\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\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\u003ePick-up pattern\u003c\/td\u003e\n\u003ctd\u003eDual Beamforming\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\u003eBluetooth Version\u003c\/td\u003e\n\u003ctd\u003e5.0\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\u003eModulation scheme\u003c\/td\u003e\n\u003ctd\u003eGFSK, π\/4 DQPSK, 8DPSK\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 ⎓, 300mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharging Current\u003c\/td\u003e\n\u003ctd\u003e320 mA max.\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\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\u003eSupported Profiles\u003c\/td\u003e\n\u003ctd\u003eHSP, HFP, AVRCP, A2DP\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\u003eOperating time\u003c\/td\u003e\n\u003ctd\u003e30 hours music playback via Bluetooth\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\u003eTransmission frequency\u003c\/td\u003e\n\u003ctd\u003e2,402 MHz to 2,480 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApprox. 238 g\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/table\u003e ","brand":"Sennheiser","offers":[{"title":"Black","offer_id":40707008102594,"sku":"B508384","price":59.0,"currency_code":"EUR","in_stock":false},{"title":"White","offer_id":42605924614338,"sku":"B508385","price":59.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/9636\/8578\/products\/x1_desktop_HD_350BT_Black_Sennheiser_01_9533e58c-38cc-437e-af07-8be2dedc62b1.jpg?v=1747659731","url":"https:\/\/eu.sennheiser-hearing.com\/en-pt\/products\/hd-350bt-refurbished","provider":"Sonova Consumer Hearing GmbH","version":"1.0","type":"link"}