ONIKUMA B2 Wireless Gaming Headset Review — Is It Worth It? [2026]
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ONIKUMA B2 Three-Mode Headset
A lightweight headset that works wired, over a 2.4G dongle or over Bluetooth, with about 25 hours of battery.
Is the ONIKUMA B2 worth buying?
If you want one headset for the PC, the phone and the console, the B2 is a sensible pick. Three connection modes (wired, 2.4G, Bluetooth) is the main reason to buy. The $67.99 sale price (from $99.99) is fair for that flexibility, though the 40mm drivers are smaller than the 50mm units on ONIKUMA's wired models.
One headset, three ways to connect
The B2 is sold as a lightweight e-sports headset with ENC noise reduction on the mic and controls on the left cup. ONIKUMA lists compatibility with PC, phone, Xbox, PlayStation and Nintendo.
What makes it stand out
Wired, 2.4G or Bluetooth
Pick whichever suits the moment: 2.4G for low-latency gaming, Bluetooth for phone calls or music, or the cable when the battery is flat. That is the main selling point.
About 25 hours per charge
ONIKUMA quotes about 25 hours on a full charge. Real-world numbers will vary with volume and the lighting, but it comfortably covers several days of evening sessions.
ENC noise-reducing microphone
The mic uses ENC noise reduction to cut background sound. It is aimed at squad chat. Expect clear speech rather than broadcast quality.
Buttons on the left cup
Physical buttons sit on the left earmuff, so you can change modes and volume without a phone app. Sports-style lightweight design keeps it comfortable for long sessions.
Full spec sheet
| Model | ONIKUMA B2 |
| Speaker size | 40mm |
| Impedance | 32 ohm +/- 15% |
| Sensitivity | 105 +/- 3dB |
| Frequency range | 20Hz-20kHz |
| Mic sensitivity | 105 +/- 3dB |
| Battery | About 25 hours (full charge) |
| Connections | Wired, 2.4G wireless, Bluetooth |
| LED working voltage | DC5V +/- 5% |
| Working current | ≤180mA |
| Compatibility | PC, phone, Xbox, PlayStation, Nintendo |
| Warranty | 1 year (official-site orders only) |
Pros & Cons
Pros
- Three connection modes in one headset.
- About 25 hours of battery.
- Currently $67.99, down from $99.99.
- Physical buttons on the cup.
- Works across PC, phone and consoles.
Cons
- 40mm drivers are smaller than ONIKUMA's 50mm wired models.
- No customer ratings on the product page.
- Warranty only for official-site orders.
- The listing doesn't give the headset weight.
Answers before you buy
How do I connect the ONIKUMA B2?
How long does the battery last?
Is it good for consoles?
Does it have a noise-reducing mic?
Is the price a sale?
A flexible mid-price headset
The B2 is for people who hate being locked to one device. It is not the most powerful-sounding headset in the catalog, but the three modes and long battery make it a handy all-rounder at its sale price.
This page contains affiliate links. Teelacodes may earn a commission when you click through and complete a qualifying purchase, at no extra cost to you. Read the full disclosure policy. Prices, stock and promotion terms can change without notice — always confirm the final total and availability on onikuma.com before ordering.
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