MONDO by DEFUNC - Transparent Over-Ear Headphones That Show Everything Inside

I've always had a soft spot for transparent cases and skeleton designs, but it's been a while since I've seen this done so well on a pair of headphones. The circuitry and battery inside the ear cups are fully visible, yet it doesn't look messy at all — if anything, it looks precise and well-engineered.
📊 Quick Info
| Item | Details |
|---|---|
| Brand | MONDO by DEFUNC |
| Price | $149 |
| Battery | 600mAh (as listed by the manufacturer) |
| Connectivity | Bluetooth |
| One-line take | ⭐⭐⭐⭐☆ A skeleton headphone that catches your eye before it even plays a note |
✨ 3-Line Summary
- 👍 Best feature: See-through skeleton design, finished off with polished chrome hinges
- 👎 Downside: Real-world sound quality and noise-cancelling performance, exact playback time need to be confirmed
- 🎯 Best for: Anyone who loves transparent/skeleton designs, or likes treating audio gadgets as interior decor
📸 Product Gallery

The transparent ear cups fully reveal the internal structure

Detail of the headband connection point

Detail of the ear pad cushioning

The skeleton ear cup from another angle
🔍 Why I'm Interested
The polish of the skeleton design
Products that use transparent parts often end up looking cheap, but these headphones pair chrome hinges with matte black ear pads to look genuinely premium instead. The key is that the internal circuitry and battery look neatly organized rather than cluttered.
Value as a desk object
Even when you're not using them, I imagine leaving these on your desk would work as a piece of interior decor on its own. It's a functional audio device, but one that also delivers real visual enjoyment.
The over-ear form factor
For anyone who prefers over-ear to in-ear or earbuds, this could be a pick that covers both design and comfort at once.
🤔 Things I'm Not Sure About
Sound quality and ANC performance unconfirmed
Since most of the available information focuses on design, it's still unclear whether the actual sound quality or active noise cancellation is competitive at this price point — more reviews are needed.
Durability of the transparent material
Given that transparent materials tend to show scratches easily, it's worth keeping in mind that the clear ear cup surfaces could start looking worn after extended use.
📋 Product Features (Subjective Rating)
- Design: ⭐⭐⭐⭐⭐
- Portability: ⭐⭐⭐☆☆ (bulkier due to the over-ear form factor)
- Practicality: ⭐⭐⭐⭐☆
- Value for money: ⭐⭐⭐⭐☆
🛒 Before You Buy
✅ Recommended for
- Anyone who loves transparent/skeleton-design electronics
- Anyone who wants an over-ear headphone that doubles as part of their desk setup
❌ Not recommended for
- Anyone particular about keeping a spotless surface, since scratches and fingerprints show easily
- Anyone who prefers in-ear headphones
🎯 Final Verdict
These headphones are the kind of product where "the joy of looking at it" comes before the spec sheet. Watching the circuitry through the transparent ear cups makes you genuinely curious about the device itself.
If you're into design-driven audio gear, and you want something on your desk that draws the eye, this is an appealing pick.
Source: Apollo Labs product page
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