Riwbox Kids Bluetooth Headphones CF9 with Cat Ear LED Lights, Detachable 360° Boom Mic and 85dB Limit (blue & green)
Product description
The essentials for kids who need safe, flexible listening
Riwbox’s CF9 kids over-ear headphones are built around a straightforward idea: make it easy for children to listen and take calls for school and everyday entertainment, without going overboard on volume. They combine Bluetooth wireless use with a wired 3.5mm option, and they also include a detachable, 360° rotating boom mic for clearer voice pickup.
The cat-ear design isn’t just decoration either. The LED cat ears and claw-style accents are described as RGB three-colour lights, with the option to long-press the M button to switch the LEDs off (useful if you’re thinking about battery life or you simply don’t want the lights on during lessons).
What stands out in everyday use
If you’re looking for a pair of headphones that can cover more than one scenario, these are designed to be “always usable”. On paper, that flexibility comes from four things working together:
- Wireless Bluetooth for normal use around the house or classroom
- Wired 3.5mm cable as a fallback (handy if a device doesn’t support Bluetooth)
- A detachable boom mic, with 360° rotation to help position it for calls and chats
- 85dB volume limiting for a more controlled listening level for kids

For example, for an online class you can leave them on, keep the mic in the boom position, and stream audio over Bluetooth. When the tablet or laptop is already plugged in for something else (or the Bluetooth connection is being temperamental), you can switch to the included cable and keep the child in the lesson without interrupting the setup.
Key features that affect the buying decision
LED cat ears (and when you may actually use them)
The CF9 includes LED cat ears with RGB three-colour lighting and side “claw” illumination. It can blink and change colour with the rhythm, and the LEDs can be turned off by long-pressing the M button.


This is fun and visually engaging, but it’s also worth noting that kids’ headphones with lighting can be distracting in quiet settings. If your child is easily distracted, having the LED-off option matters.
Detachable, rotatable boom mic for chats

The headphones include a detachable HD boom mic that can rotate 360°. The description specifically calls out “excellent voice pickup”, and the product is positioned for online classes, voice/video chat and similar tasks.
If your main priority is clearer speaking during calls, this is one of the more convincing parts of the spec—though, like any kids headset, results can still depend on how the mic is positioned and how the child speaks.
40mm speakers and comfort tweaks
The CF9 uses 40mm speakers and soft sponge ear pads. It’s also described as adjustable via a 90-degree rotation, aiming for a snug fit over the ears.
That’s the sort of detail that can reduce the “they don’t quite sit right” problem. Still, fit preferences vary a lot between children, so it’s worth checking the comfort claims against your child’s head size and sensitivity.
Wireless and wired options (and the practical value)

A big part of why these headphones may be worth considering is the dual-mode approach.
The built-in rechargeable battery is described as providing up to 30–45 hours of use on a single charge with RGB lights off. There’s also a bundled 3.5mm braided tangle-resistant cable for wired listening and device control.


The description also mentions support for inserting a micro SD card via a TF card slot, so children can enjoy music without relying entirely on streaming—again, that’s a practical angle for school days and travel.
Tech specs to know before you commit
What to know
- Type: Kids over-ear headphones with Bluetooth and wired 3.5mm support
- Volume control: 85dB limited volume
- Speakers: 40mm
- Microphone: Detachable, 360-degree rotatable boom mic plus built-in mic for calls (as described)
- LEDs: RGB three-colour cat ear and accent lighting, can be turned off via long-press of the M button
- Charging & battery: Rechargeable battery, up to 30–45 hours when RGB lights are off (per the description)
- Storage: TF card slot for micro SD card playback (as described)
- Cable: Included 3.5mm braided cable
- Fit: Soft sponge ear pads, adjustable by 90-degree rotation (per description)

Who it suits (and who should look elsewhere)
It’s a good fit if you want kids headphones that are genuinely meant for school use: safer volume limiting (85dB), a detachable boom mic for calls/chats, and a wireless + wired setup so you’re not stuck if one connection method fails.
It may not be the best choice if your child is likely to find the LED lighting distracting—though the LED-off option does help—or if you need very “grown-up” audio tuning for critical listening. In terms of positioning, it reads more like a practical, value-focused kids headset than something designed to compete with higher-end audio gear.
One more limitation to keep in mind: even though the mic is described as rotating and designed for voice pickup, the actual clarity will depend on mic placement and the child’s speaking distance.
Is it worth it?
Worth considering if your priority is safe, kid-friendly listening for school and entertainment, with the convenience of both Bluetooth and a wired fallback, plus a detachable 360° boom mic. The 85dB volume limit and the option to switch LEDs off for power savings are particularly relevant for day-to-day use.



You may want to skip it if you know your child won’t tolerate any lighting features, or if you’re buying for a setup where wired-only is guaranteed and the Bluetooth features won’t be used. On balance, it’s best viewed as a kids-focused, flexible headset: not perfect for every household, but a sensible match when you want fewer connection headaches and a mic included for online classes and chats.
Mini FAQ
Can the LED lights be turned off?
Yes. The description says you can long-press the M button to turn off the LED light.
Does it work with Bluetooth and a cable?
Yes. It’s described as wireless (Bluetooth) and also includes a 3.5mm headphone cable for wired listening.

Is the microphone detachable?
It is described as detachable, and the boom mic can rotate 360°.
Is there a volume limit?
Yes, the headphones are described as having 85dB limited volume.
Does it support playing music from a card?
The description mentions a TF card slot for inserting a micro SD card.
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