🎧 JBL Tune 520BT Highlights
Key Features
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JBL Pure Bass sound with 33 mm dynamic drivers (20 Hz–20 kHz, 102 dB sensitivity, 30 Ω impedance)
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Bluetooth 5.3, multipoint support (connect two devices), and fast pairing – Quick Pair on Android/Microsoft, voice prompts included
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Battery life: up to 57 hours on a full charge, plus rapid 5‑minute charge delivers 3 hours of playback
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Comfortable over long sessions with light foldable design (~157 g) and padded headband, though on‑ear fit may feel tight for some
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On‑ear controls include volume, playback, call management, and voice assistant access (Siri, Google)
App & Controls
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Includes JBL Headphones app: EQ presets, sidetone adjustments, firmware updates, device balance, auto-off timer
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Basic 4‑button control interface with multifunction button, volume rocker, and power/pairing button
Sound & Usage
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Delivers a neutral and balanced sound, slightly warm, good for rock, folk, and general listening; lacks deep sub‑bass for EDM
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Passive isolation is moderate (around –9 dB attenuation); good leakage control.
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Microphone quality is fair: speech is intelligible, though high and low frequencies are cut; environmental noise handling is mediocre
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