We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-21 · 7 min read · Independent comparison
If you want a playful, kid-safe pair of wired headphones that works with practically any device a child already owns, choose eKids Pokemon Pikachu; if you need to get wireless audio out of an airplane seat screen and into your own Bluetooth headphones or earbuds, choose Avantree SoundJet R1-25Hr. These two products sit in completely different corners of the audio world, and that's the whole point of this comparison — the right answer depends on the job, not on which one is "better."
• eKids Pokemon Pikachu — biggest strength: A simple, wired 3.5mm design with a built-in parental volume switch, so a kid can plug into a tablet, laptop or phone and listen at a level a parent controls.
• eKids Pokemon Pikachu — biggest trade-off: It's wired only and clearly aimed at children, so it won't suit an adult who wants wireless freedom or serious audio gear.
• Avantree SoundJet R1-25Hr — biggest strength: It turns a 3.5mm analog output (like an airline seat screen) into Bluetooth audio for up to two pairs of headphones at once, with up to 25 hours of playtime.
• Avantree SoundJet R1-25Hr — biggest trade-off: It is a transmitter, not a receiver — it won't make your wired headphones Bluetooth, it's not built for phone calls, and it needs a 3.5mm source to do anything at all.
• Who each is for: The eKids pair is for a child who needs durable, volume-limited headphones for school, home or travel. The Avantree R1 is for a traveler or gym-goer who wants to use their own wireless headphones with a wired audio source.
The eKids Pokemon Pikachu is a wired, on-ear youth headphone built around one idea: let a kid listen to whatever they want, on whatever device is already in the house, without a parent worrying about how loud it gets. The 3.5mm jack is the key spec here. It plugs straight into smartphones, tablets, computers and anything else with a standard headphone output, which means no pairing, no charging, and no "the Bluetooth won't connect" meltdown five minutes before a car ride.
The parental volume control is the feature that matters most for buyers. There's a switch that lets you set a kid-friendly ceiling on the sound, so the same headphones work for a quiet audiobook session and a louder movie on a plane without you hovering over the dial. The adjustable headband and soft ear cushions are designed for a personalized fit, and the pivoting cushions plus the tangle-free cord make it easier to fold up and toss in a bag for school, road trips or virtual classes. The Pikachu graphics are the hook for the kid; the fit and the volume switch are the hook for the parent. It's a one-year limited warranty product weighing in at 5 ounces, with 32-ohm impedance and a 20 Hz–20,000 Hz frequency range — standard, sensible numbers for a kids' headphone.
Avantree SoundJet R1-25Hr: Who It's For
The Avantree SoundJet R1-25Hr is not a headphone at all. It's a Bluetooth audio transmitter — a small adapter you plug into a 3.5mm output so that your own Bluetooth headphones or earbuds can receive that audio wirelessly. The classic use case is the airplane seat screen: you plug the transmitter into the seat's headphone jack, pair your AirPods or over-ear headphones, and watch the in-flight movie without dragging out a wired pair. The included dual-prong airline adapter covers both common seat-jack formats, which is exactly the kind of detail that saves you from discovering your adapter doesn't fit at 35,000 feet.
The feature I'd point a buyer to first is the two-headphone sharing. The R1 can pair two Bluetooth headphones or earbuds at the same time, with dedicated connection indicators so you can see when each pair is ready. For two travelers on one screen — a couple, or a parent and kid — that's a genuinely useful trick that a single-headphone transmitter can't match. Battery life is rated up to 25 hours on one charge, and USB-C pass-through charging means you can keep listening while the adapter tops up, so a long-haul flight doesn't have to cut your movie short.
On the technical side, Avantree leans on a Qualcomm chipset with aptX Adaptive and aptX HD support for compatible headphones, plus Bluetooth 5.3. The honest caveat, and Avantree states it plainly, is that the actual codec used depends on what both devices support — AirPods, for example, will connect using whatever codec they and the transmitter share, not necessarily the highest one. The other thing to be clear about: this is a transmitter, not a receiver. It sends audio from a 3.5mm output to Bluetooth headphones. It is not designed for phone calls, musical instruments, or TVs that lack a 3.5mm headphone output.
Who should buy it: frequent flyers, gym users with 3.5mm-equipped machines, or anyone who owns good Bluetooth headphones and keeps running into wired-only audio sources. Who should skip it: anyone hoping to turn wired headphones wireless (that needs a receiver, not a transmitter), anyone who wants a calling device, and anyone whose TV or source has no 3.5mm output.
Side-by-Side: Which Should You Choose?
• Best for in-flight entertainment with your own wireless headphones → Avantree SoundJet R1-25Hr. It bridges the seat screen's 3.5mm jack to Bluetooth.
• Best for long battery life → Avantree SoundJet R1-25Hr. Up to 25 hours per charge, plus USB-C pass-through charging while you listen.
• Best for zero setup and zero charging → eKids Pokemon Pikachu. Plug in and it works; nothing to pair, nothing to top up.
• Best for sharing one screen between two people → Avantree SoundJet R1-25Hr. It pairs two Bluetooth headphones at once with separate connection indicators.
• Best for durability around young kids → eKids Pokemon Pikachu. Plastic build, tangle-free cord, one-year limited warranty, designed for school and travel.
• Best for adult audio gear → Avantree SoundJet R1-25Hr. It's built to work with AirPods, Bose, Sony and similar Bluetooth headphones and earbuds.
• Best as a gift → it depends on the recipient. For a Pokemon-loving kid, the eKids pair is the obvious pick; for an adult who flies a lot, the Avantree adapter is the more surprising, more useful gift.
If I had to pick one for myself, I'd buy the Avantree SoundJet R1-25Hr, because it solves a problem I actually run into — getting my own wireless headphones to work with a plane seat screen — and the two-headphone sharing plus 25-hour battery make it genuinely practical for long trips. But I want to be clear that this is not a "better product" verdict. If the shopper in your house is a kid who wants Pikachu on their ears for school and YouTube, the eKids Pokemon Pikachu is the right answer, and the Avantree adapter would be useless to them. Match the product to the person, not the other way around.
No. It's a wired headphone with a 3.5mm jack that plugs into smartphones, tablets and computers. You don't need to charge it or pair it — just plug in and listen.
No. It's a Bluetooth transmitter, not a receiver. It takes audio from a 3.5mm source and sends it to Bluetooth headphones or earbuds. It won't add wireless capability to a wired pair.
They're different product categories, so comparing sticker prices isn't very meaningful — check the current price on Amazon for whichever one matches your use case. In my opinion, the value question is really "which job do I need done," not which costs less.
The eKids Pokemon Pikachu plugs directly into a tablet or phone, so a kid can watch movies the whole flight with no battery to manage. The Avantree R1 is the better pick for an adult or teen using their own Bluetooth headphones with the plane's seat-back screen.
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