{"product_id":"jbl-tune-520bt-wireless-on-ear-headphones-white-57h-battery-foldable-lightweight-design","title":"JBL Tune 520BT Wireless On-Ear Headphones — White, 57H Battery \u0026 Foldable Lightweight Design","description":"\u003cstrong\u003eJBL Tune 520BT are lightweight on-ear Bluetooth 5.3 headphones that deliver JBL Pure Bass sound, up to 57 hours of playback and a foldable design for easy travel.\u003c\/strong\u003e\n\n\u003cp\u003eThese white JBL Tune 520BT headphones combine the brand's signature bass tuning with modern wireless connectivity and a compact, flat-folding hinge for everyday portability. They pair fast using Bluetooth 5.3, let you shape sound with the JBL Headphones app, and include a quick-charge option so short top-ups keep you listening when you're on the move. The design balances cushion comfort and a low profile so they can be worn for extended sessions without taking up much bag space when not in use.\u003c\/p\u003e\n\n\u003ch3\u003eHow long will the battery last on a single charge?\u003c\/h3\u003e\n\u003cp\u003eYou can expect up to 57 hours of continuous playback under typical listening conditions. When the battery runs low, the included USB-C charging lets you restore the battery fully in about two hours, and a five-minute quick charge adds roughly three hours of playback for urgent situations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMaximum playback: up to 57 hours\u003c\/li\u003e\n  \u003cli\u003eFull recharge: around 2 hours via USB-C\u003c\/li\u003e\n  \u003cli\u003eSpeed charge: 5 minutes ≈ 3 hours of playback\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDo these headphones sound good for bass-heavy music and calls?\u003c\/h3\u003e\n\u003cp\u003eThe Tune 520BT uses JBL Pure Bass tuning that emphasizes low-end impact without drowning mids and highs, making them suited to pop, hip-hop and electronic genres. For calls, onboard controls and Voice Aware let you manage hands-free conversations and monitor your voice for clearer speaking comfort.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eJBL Pure Bass delivers pronounced low frequencies\u003c\/li\u003e\n  \u003cli\u003eIntegrated microphone and ear-cup controls for calls\u003c\/li\u003e\n  \u003cli\u003eVoice Aware feature lets you hear your voice during calls\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these comfortable to wear and easy to carry?\u003c\/h3\u003e\n\u003cp\u003eThe on-ear cushions are designed to be lightweight and soft so they stay comfortable over hours of listening; the headband and earcup length can be adjusted for a better fit. When you need to pack up, the flat-folding mechanism collapses the headphones into a compact shape that fits into backpacks or small bags.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLightweight construction for all-day wear\u003c\/li\u003e\n  \u003cli\u003eAdjustable earcup length and cushioned pads\u003c\/li\u003e\n  \u003cli\u003eFlat-folding hinge for compact storage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat wireless and customization features are included?\u003c\/h3\u003e\n\u003cp\u003eBluetooth 5.3 ensures a stable wireless link with lower power draw and wide device compatibility. Install the free JBL Headphones app to tweak the EQ, save presets, and get voice-prompt guidance in your preferred language to simplify setup and everyday use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBluetooth 5.3 for reliable pairing and streaming\u003c\/li\u003e\n  \u003cli\u003eCustomizable EQ and presets through the JBL Headphones app\u003c\/li\u003e\n  \u003cli\u003eVoice prompts guide feature setup in multiple languages\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The JBL Tune 520BT is aimed at listeners who want robust bass, long battery life and an easy-to-transport, comfortable on-ear headphone at an accessible price. They suit commuters, students, travelers and anyone who values quick charging and straightforward app control without the bulk of over-ear models. If you need a dependable, foldable pair with strong low-frequency performance and clear call functionality, these headphones are a practical choice.\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 long does a 5-minute charge last?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A 5-minute speed charge provides about 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?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — use the free JBL Headphones app to adjust EQ settings and save presets.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"JBL","offers":[{"title":"Default Title","offer_id":48444409577629,"sku":"B0CBL1TQMP","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-white.jpg?v=1781542745","url":"https:\/\/nexoltic.com\/products\/jbl-tune-520bt-wireless-on-ear-headphones-white-57h-battery-foldable-lightweight-design","provider":"Nexoltic","version":"1.0","type":"link"}