{"product_id":"jbl-tune-520bt-wireless-on-ear-headphones-black-57h-battery-fast-usb-c-charge","title":"JBL Tune 520BT Wireless On-Ear Headphones — Black, 57H Battery \u0026 Fast USB-C Charge","description":"\u003cp\u003e\u003cstrong\u003eThe JBL Tune 520BT are lightweight, foldable on-ear headphones that deliver JBL Pure Bass sound, up to 57 hours of wireless playback, and quick charging for all-day listening.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for commuters, students and everyday music lovers, the Tune 520BT combines the signature JBL bass profile with Bluetooth 5.3 stability, intuitive on-cup controls, and a compact flat-fold design that slips into a backpack. The cushioned earcups and adjustable headband prioritize comfort while the USB-C fast-charge and long battery life keep you powered through multi-day use.\u003c\/p\u003e\n\n\u003ch3\u003eHow long will the battery last during real use?\u003c\/h3\u003e\n\u003cp\u003eThe Tune 520BT offers up to 57 hours of wireless playback on a full charge under typical listening conditions. If you’re short on time, a 5-minute speed charge adds about 3 hours of playtime and a full recharge completes in roughly 2 hours via USB-C.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUp to 57 hours continuous wireless playback\u003c\/li\u003e\n  \u003cli\u003eFast charging: 5 minutes = ~3 hours additional listening\u003c\/li\u003e\n  \u003cli\u003eFull recharge in ~2 hours with included USB-C cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat sound and connection features does it include?\u003c\/h3\u003e\n\u003cp\u003eThe headphones use JBL Pure Bass tuning for punchy low-end and Bluetooth 5.3 for a reliable wireless link to phones, tablets and laptops. Downloading the JBL Headphones App lets you customize the EQ, enable voice prompts in your language and optimize the sound profile to your preference.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eJBL Pure Bass sound signature for stronger low frequencies\u003c\/li\u003e\n  \u003cli\u003eBluetooth 5.3 for stable pairing and efficient wireless streaming\u003c\/li\u003e\n  \u003cli\u003eCustomizable EQ and voice prompts via the JBL Headphones App\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre they comfortable and portable enough for daily use?\u003c\/h3\u003e\n\u003cp\u003eThe Tune 520BT are built to be lightweight with soft ear cushions and an adjustable headband for extended comfort. Their flat-folding hinge compresses the headphones into a compact shape so they easily stow in backpacks or cases when you’re on the move.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSoft padded earcups for longer listening sessions\u003c\/li\u003e\n  \u003cli\u003eAdjustable headband to fit different head sizes\u003c\/li\u003e\n  \u003cli\u003eFlat-folding design for compact storage and travel\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I take calls and control playback hands-free?\u003c\/h3\u003e\n\u003cp\u003eYes — physical buttons on the ear-cup let you answer calls, play\/pause, skip tracks and adjust volume without reaching for your device. Voice Aware lets you hear your own voice during calls so conversations feel more natural and less isolated.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOn-cup controls for calls, track and volume management\u003c\/li\u003e\n  \u003cli\u003eHands-free calls with built-in microphone\u003c\/li\u003e\n  \u003cli\u003eVoice Aware to monitor your voice while speaking\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The JBL Tune 520BT suit anyone wanting a balance of strong bass, long battery life and portable comfort without the bulk of over-ear models. They’re ideal for daily commuters, students, remote workers and casual listeners who prefer a foldable on-ear headphone with customizable sound and quick-charge convenience.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How quickly does the JBL Tune 520BT recharge?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A full recharge takes about 2 hours; a 5-minute quick charge provides roughly 3 hours of playback.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I customize the sound profile?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — use the free JBL Headphones App to adjust the EQ and set voice prompts.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"JBL","offers":[{"title":"Default Title","offer_id":48444276015261,"sku":"B0C1HGKNG7","price":56.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/jbl-tune-520bt-front-view_9bd6fed1-d22c-4cb7-b52f-2a6351c91767.jpg?v=1781542229","url":"https:\/\/nexoltic.com\/products\/jbl-tune-520bt-wireless-on-ear-headphones-black-57h-battery-fast-usb-c-charge","provider":"Nexoltic","version":"1.0","type":"link"}