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We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-27 · 7 min read · Independent comparison
• GEEKRIA Shield Headphones Case — biggest strength: a rigid EVA hard shell with an internal mesh pocket sized for cables, chargers, AMPs, earpads and adapters, plus a stated one-year fit-and-break replacement policy.
• GEEKRIA Shield Headphones Case — biggest trade-off: it is storage only. It protects headphones; it does not play a single note.
• LexonElec ATTACK SHARK G300 — biggest strength: a complete 210 g foldable Bluetooth 5.3 over-ear headset with active noise cancellation, a built-in mic, a 3.5 mm wired fallback and a claimed 20 hours of playback.
• LexonElec ATTACK SHARK G300 — biggest trade-off: it is a headset, not a case — so it does nothing to protect a second pair of headphones you already own.
• Buy the GEEKRIA case if you already own compatible JBL over-ears and want to stop throwing them loose into a bag.
• Buy the ATTACK SHARK G300 if you need a lightweight travel and office headset with ANC and call handling built in.
This is a protection-first product, and it is unusually specific about what it protects. The case is built around a maximum internal capacity of 7.48 x 6.49 x 1.96 inches, which tells you right away that it is aimed at folding or compact over-ear and on-ear headphones rather than full-size studio cans. The outside measures 7.68 x 6.5 x 1.97 inches and weighs 180 g, so it adds real structure without turning your bag into a brick. The enclosure material is ethylene vinyl acetate — the same family of foam-rubber shell used in a lot of travel cases, and the reason it can absorb knocks that a soft pouch simply passes through to your hinges and headband.
The compatibility list is where this case earns its keep. It is written around JBL's mainstream line: Tune 660BTNC, Tune 660NC, Tune 700BT, Tune 600BTNC, Tune 570BT, Tune 560BT, Tune 520BT, Tune 510BT, Tune 500BT, Tune 500, T460BT, T450BT and T450, plus Live 650BTNC, Live 500BT, Live 400BT, Live 670NC, Everest 750/710/700/310, Everest Elite 750NC, Elite 700, E45BT, Lifestyle E65BTNC and the Jr310BT/Jr310/JR300BT/JR300 family. If you own one of those, this is effectively a replacement or upgrade for whatever fabric bag came in the box. The interior mesh pocket is the detail I appreciate most: cables, charging cords, a small amp, spare earpads and adapters all get their own space instead of tangling around the earcups.
LexonElec ATTACK SHARK G300: Who It's For
Where the GEEKRIA product is a shell, the G300 is the thing that goes inside one — a foldable over-ear headset weighing in at 210 g, which is genuinely light for a full over-ear design. LexonElec builds it around memory foam earcups wrapped in PU leather, with an adjustable headband, and the earcups rotate 90 degrees so the whole thing folds flat or hangs around your neck. That fold-flat trick is the difference between a headset that lives on your desk and one that actually travels.
On the audio and connectivity side you get Bluetooth 5.3 for wireless use, plus a 3.5 mm jack for wired mode when the battery is flat or when you want zero latency. The drivers are dynamic, with a 32 ohm impedance and a 20 Hz–20 kHz frequency range — a standard full-range spec that suits general listening, podcasts, calls and video rather than critical mastering work. Active noise cancellation is on board, and LexonElec describes it as adaptive, which usually means the cancellation adjusts to your surroundings rather than running at one fixed level. Controls are physical buttons for media and calls, which I actually prefer over touch panels when I am wearing gloves or walking.
The practical numbers are the interesting part. Battery charge time is listed at 2 hours for a claimed 20 hours of average use — a sensible ratio that means an overnight charge generally covers a workday plus a commute. The built-in microphone handles hands-free calls, meetings and virtual conferences, and the package includes the headset, a user manual, a charging cable and a 3.5 mm stereo cable. One honest caveat straight from the spec sheet: the 3.5 mm cable does not carry microphone function, so calls in wired mode are not happening — you need Bluetooth for that.
Who should buy it: commuters, remote workers and students who want one lightweight headset for calls, music and travel, and who like the safety net of a wired option. The age range covers kids, teens and adults, so it works as a family or school headset too. Who should skip it: anyone who already owns premium headphones and just needs a case, and anyone who wants a dedicated wired mic setup — the cable will not do it. Aesthetic note: it comes in purple, which is a deliberate look rather than a safe neutral.
• Protecting JBL over-ears → GEEKRIA Shield Headphones Case. The internal dimensions and long JBL compatibility list are built for exactly that job.
• Actually listening to audio → LexonElec ATTACK SHARK G300. The case has no drivers, no battery and no mic.
• Carrying cables and spare earpads → GEEKRIA Shield Headphones Case. The internal mesh pocket is made for accessories.
• Hands-free calls and meetings → LexonElec ATTACK SHARK G300. Built-in mic plus Bluetooth 5.3, with the caveat that wired mode has no mic.
• Long sessions without recharging → LexonElec ATTACK SHARK G300. A 2-hour charge is rated for 20 hours of average use.
• Folding flat into a backpack → LexonElec ATTACK SHARK G300. 210 g and 90-degree rotating earcups.
• Frequent flyers and commuters who want less ambient noise → LexonElec ATTACK SHARK G300. Active and adaptive noise cancellation is the relevant feature here; the case offers no noise benefit at all.
• Owners of large studio headphones → neither is a clean fit. The case is sized for compact models, and the G300 is a headset in its own right.
In my opinion these two products should not be an either/or at all — they solve opposite problems, and the honest answer is that most people need exactly one of them. If you already own a compatible JBL pair, I would buy the GEEKRIA Shield Headphones Case, because a rigid EVA shell with dedicated accessory storage and a stated one-year replacement policy is the cheapest insurance you can buy for headphones you already like. If you do not own the headphones yet, I would buy the LexonElec ATTACK SHARK G300, because it is the complete package: ANC, a mic, 20 hours of rated playback, wired backup and a foldable 210 g frame. Buy the case to protect. Buy the headset to listen.
It fits headphones up to roughly 7.48 x 6.49 x 1.96 inches internally and lists the Tune, Live, Everest, Elite, E-series and Jr-series ranges. If your model is not on that list, measure before ordering.
Yes. It includes a 3.5 mm stereo cable for wired listening, and the headphone jack is standard 3.5 mm. Just remember that the audio cable does not support the microphone, so calls need Bluetooth.
LexonElec lists a 2-hour charge time and 20 hours of average battery life. Actual results will vary with volume and how much you use noise cancellation.
They are not really comparable on value because they do different jobs. Compare each against its own category — a hard-shell case versus an ANC Bluetooth headset — and check the current price on Amazon for the one that matches your need.
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