{"product_id":"sennheiser-hd-450bt-wireless-headphones-white-acceptable-refurbished","title":"Sennheiser HD 450BT Wireless Headphones White - Acceptable - Refurbished","description":"\u003cp\u003e\u003cstrong\u003eSennheiser HD 450BT Wireless Headphones White - Acceptable - Refurbished\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eExperience premium wireless sound with the Sennheiser HD 450BT in White. Featuring active noise cancellation, Bluetooth 5.0, and up to 30 hours of battery life, these headphones deliver crisp, dynamic audio for music, calls, and travel. Lightweight, foldable, and stylish — the HD 450BT ensures comfort, clarity, and convenience wherever you go.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"695\" data-start=\"567\"\u003e\n\u003cstrong data-end=\"596\" data-start=\"569\"\u003eSuperior Sound Quality:\u003c\/strong\u003e Powered by Sennheiser’s proprietary drivers for balanced, detailed audio across all frequencies.\u003c\/li\u003e\n\u003cli data-end=\"808\" data-start=\"696\"\u003e\n\u003cstrong data-end=\"728\" data-start=\"698\"\u003eActive Noise Cancellation:\u003c\/strong\u003e Effectively reduces ambient noise for immersive listening in any environment.\u003c\/li\u003e\n\u003cli data-end=\"929\" data-start=\"809\"\u003e\n\u003cstrong data-end=\"842\" data-start=\"811\"\u003eBluetooth 5.0 Connectivity:\u003c\/strong\u003e Ensures fast pairing, stable wireless performance, and high-quality audio streaming.\u003c\/li\u003e\n\u003cli data-end=\"1020\" data-start=\"930\"\u003e\n\u003cstrong data-end=\"957\" data-start=\"932\"\u003e30-Hour Battery Life:\u003c\/strong\u003e Enjoy uninterrupted listening with quick charging via USB-C.\u003c\/li\u003e\n\u003cli data-end=\"1119\" data-start=\"1021\"\u003e\n\u003cstrong data-end=\"1051\" data-start=\"1023\"\u003eVoice Assistant Support:\u003c\/strong\u003e Compatible with Siri and Google Assistant for hands-free control.\u003c\/li\u003e\n\u003cli data-end=\"1217\" data-start=\"1120\"\u003e\n\u003cstrong data-end=\"1145\" data-start=\"1122\"\u003eCustomizable Sound:\u003c\/strong\u003e Use the Sennheiser Smart Control app to adjust EQ and sound profiles.\u003c\/li\u003e\n\u003cli data-end=\"1307\" data-start=\"1218\"\u003e\n\u003cstrong data-end=\"1250\" data-start=\"1220\"\u003eFoldable, Portable Design:\u003c\/strong\u003e Compact and durable build for easy travel and storage.\u003c\/li\u003e\n\u003cli data-end=\"1403\" data-start=\"1308\"\u003e\n\u003cstrong data-end=\"1334\" data-start=\"1310\"\u003eComfort-Focused Fit:\u003c\/strong\u003e Soft ear cushions and padded headband for long listening sessions.\u003c\/li\u003e\n\u003cli data-end=\"1492\" data-start=\"1404\"\u003e\n\u003cstrong data-end=\"1434\" data-start=\"1406\"\u003eHigh-Quality Microphone:\u003c\/strong\u003e Clear voice pick-up for phone calls and video meetings.\u003c\/li\u003e\n\u003cli data-end=\"1592\" data-start=\"1493\"\u003e\n\u003cstrong data-end=\"1520\" data-start=\"1495\"\u003eMulti-Device Pairing:\u003c\/strong\u003e Seamlessly switch between smartphone, tablet, and laptop connections.\u003c\/li\u003e\n\u003cli data-end=\"1680\" data-start=\"1593\"\u003e\n\u003cstrong data-end=\"1622\" data-start=\"1595\"\u003eWired Option Available:\u003c\/strong\u003e Includes detachable audio cable for flexible listening.\u003c\/li\u003e\n\u003cli data-end=\"1763\" data-start=\"1681\"\u003e\n\u003cstrong data-end=\"1706\" data-start=\"1683\"\u003eSleek White Finish:\u003c\/strong\u003e Stylish, modern look to match any outfit or workspace.\u003c\/li\u003e\n\u003cli data-end=\"1853\" data-start=\"1764\"\u003e\n\u003cstrong data-end=\"1790\" data-start=\"1766\"\u003eUSB-C Fast Charging:\u003c\/strong\u003e Get up to 2 hours of playback with a quick 15-minute charge.\u003c\/li\u003e\n\u003cli data-end=\"1927\" data-start=\"1854\"\u003e\n\u003cstrong data-end=\"1881\" data-start=\"1856\"\u003eDurable Construction:\u003c\/strong\u003e Built to withstand everyday use and travel.\u003c\/li\u003e\n\u003cli data-end=\"2011\" data-start=\"1928\"\u003e\n\u003cstrong data-end=\"1957\" data-start=\"1930\"\u003eSennheiser Reliability:\u003c\/strong\u003e Trusted German engineering and premium build quality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2044\" data-start=\"2018\"\u003e\u003cstrong data-end=\"2044\" data-start=\"2021\"\u003ePRODUCT DESCRIPTION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"2090\" data-start=\"2046\"\u003e\u003cstrong data-end=\"2090\" data-start=\"2050\"\u003ePremium Wireless Audio Experience\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"2371\" data-start=\"2091\"\u003eThe Sennheiser HD 450BT delivers a powerful combination of wireless freedom and high-fidelity sound. With advanced Bluetooth 5.0 and AAC, AptX, and AptX Low Latency codec support, you’ll enjoy crystal-clear music with minimal delay — perfect for both listening and watching media.\u003c\/p\u003e\n\u003cp data-end=\"2425\" data-start=\"2373\"\u003e\u003cstrong data-end=\"2425\" data-start=\"2377\"\u003eActive Noise Cancellation for Total Focus\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"2651\" data-start=\"2426\"\u003eBlock out distractions and dive into your music or calls with active noise cancellation technology. Whether you’re on a noisy commute or working in a busy café, the HD 450BT ensures a peaceful, immersive listening experience.\u003c\/p\u003e\n\u003cp data-end=\"2689\" data-start=\"2653\"\u003e\u003cstrong data-end=\"2689\" data-start=\"2657\"\u003eComfort Meets Portability\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"2911\" data-start=\"2690\"\u003eDesigned for on-the-go lifestyles, these headphones feature soft, cushioned ear cups and a padded headband for all-day comfort. The foldable design makes them travel-ready, fitting neatly into the included carrying pouch.\u003c\/p\u003e\n\u003cp data-end=\"2960\" data-start=\"2913\"\u003e\u003cstrong data-end=\"2960\" data-start=\"2917\"\u003eLong Battery Life and Quick Charging\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"3150\" data-start=\"2961\"\u003eStay connected longer with up to 30 hours of wireless playtime. When it’s time to recharge, USB-C fast charging ensures you’re back to full power quickly — so your music never skips a beat.\u003c\/p\u003e\n\u003cp data-end=\"3199\" data-start=\"3152\"\u003e\u003cstrong data-end=\"3199\" data-start=\"3156\"\u003eSmart Features and Intuitive Control\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"3422\" data-start=\"3200\"\u003eEasily manage your sound experience through the Sennheiser Smart Control app, offering EQ customization and firmware updates. Integrated buttons and voice assistant support make controlling your music and calls effortless.\u003c\/p\u003e\n\u003cp data-end=\"3450\" data-start=\"3429\"\u003e\u003cstrong data-end=\"3450\" data-start=\"3432\"\u003eSPECIFICATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"4156\" data-start=\"3451\"\u003e\n\u003cli data-end=\"3476\" data-start=\"3451\"\u003e\n\u003cstrong data-end=\"3463\" data-start=\"3453\"\u003eBrand:\u003c\/strong\u003e Sennheiser\u003c\/li\u003e\n\u003cli data-end=\"3500\" data-start=\"3477\"\u003e\n\u003cstrong data-end=\"3489\" data-start=\"3479\"\u003eModel:\u003c\/strong\u003e HD 450BT\u003c\/li\u003e\n\u003cli data-end=\"3521\" data-start=\"3501\"\u003e\n\u003cstrong data-end=\"3513\" data-start=\"3503\"\u003eColor:\u003c\/strong\u003e White\u003c\/li\u003e\n\u003cli data-end=\"3567\" data-start=\"3522\"\u003e\n\u003cstrong data-end=\"3543\" data-start=\"3524\"\u003eHeadphone Type:\u003c\/strong\u003e Over-ear, closed-back\u003c\/li\u003e\n\u003cli data-end=\"3635\" data-start=\"3568\"\u003e\n\u003cstrong data-end=\"3587\" data-start=\"3570\"\u003eConnectivity:\u003c\/strong\u003e Bluetooth 5.0, NFC pairing, 3.5mm audio cable\u003c\/li\u003e\n\u003cli data-end=\"3694\" data-start=\"3636\"\u003e\n\u003cstrong data-end=\"3659\" data-start=\"3638\"\u003eSupported Codecs:\u003c\/strong\u003e SBC, AAC, AptX, AptX Low Latency\u003c\/li\u003e\n\u003cli data-end=\"3754\" data-start=\"3695\"\u003e\n\u003cstrong data-end=\"3720\" data-start=\"3697\"\u003eNoise Cancellation:\u003c\/strong\u003e Active Noise Cancellation (ANC)\u003c\/li\u003e\n\u003cli data-end=\"3820\" data-start=\"3792\"\u003e\n\u003cstrong data-end=\"3812\" data-start=\"3794\"\u003eCharging Port:\u003c\/strong\u003e USB-C\u003c\/li\u003e\n\u003cli data-end=\"3941\" data-start=\"3892\"\u003e\n\u003cstrong data-end=\"3909\" data-start=\"3894\"\u003eMicrophone:\u003c\/strong\u003e Built-in with noise reduction\u003c\/li\u003e\n\u003cli data-end=\"3987\" data-start=\"3942\"\u003e\n\u003cstrong data-end=\"3967\" data-start=\"3944\"\u003eFrequency Response:\u003c\/strong\u003e 18 Hz – 22,000 Hz\u003c\/li\u003e\n\u003cli data-end=\"4017\" data-start=\"3988\"\u003e\n\u003cstrong data-end=\"4001\" data-start=\"3990\"\u003eWeight:\u003c\/strong\u003e Approx. 238 g\u003c\/li\u003e\n\u003cli data-end=\"4077\" data-start=\"4018\"\u003e\n\u003cstrong data-end=\"4041\" data-start=\"4020\"\u003eVoice Assistants:\u003c\/strong\u003e Siri, Google Assistant compatible\u003c\/li\u003e\n\u003cli data-end=\"4106\" data-start=\"4078\"\u003e\n\u003cstrong data-end=\"4100\" data-start=\"4080\"\u003eFoldable Design:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli data-end=\"4156\" data-start=\"4107\"\u003e\n\u003cstrong data-end=\"4125\" data-start=\"4109\"\u003eApp Support:\u003c\/strong\u003e Sennheiser Smart Control app\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e This product will come with original or compatible generic accessories.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThis model has undergone careful inspection and testing, and is in Acceptable condition   \u003c\/span\u003e\u003c\/p\u003e","brand":"Sennheiser","offers":[{"title":"Default Title","offer_id":47508273135870,"sku":"SENNHEISER-HD-450BT-WHT-ACPT","price":199.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/2090\/8798\/files\/51pezYARyES._SL1200-Custom.jpg?v=1763016159","url":"https:\/\/nostech.com.au\/products\/sennheiser-hd-450bt-wireless-headphones-white-acceptable-refurbished","provider":"Nostech Traders","version":"1.0","type":"link"}