How We Research
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
If you want the lowest latency in a true wireless earbud with deep active noise cancellation, choose Bawjog KZ Carol Pro; if you need a full-size over-ear gaming headset with a retractable boom mic and marathon battery life, choose EKSA E900BT.
• Bawjog KZ Carol Pro — biggest strength: a Gaming mode rated at 55ms latency plus hybrid ANC rated up to 55dB, in a tiny in-ear package with LDAC support.
• Bawjog KZ Carol Pro — biggest trade-off: it's an in-ear bud, so it depends on a good seal and a charging case, and it tops out at 35 hours total rather than the week-plus of the EKSA.
• EKSA E900BT — biggest strength: 20ms latency, a retractable microphone, 7.1 surround processing, and 50 hours of battery on a single charge.
• EKSA E900BT — biggest trade-off: it's a large plastic over-ear headset with push-button controls and no active noise cancellation — it blocks sound passively with memory foam, not electronically.
• Pick the Bawjog if you want low-latency Bluetooth for commuting, calls, and mobile gaming in something that disappears in your pocket.
• Pick the EKSA if you want low-latency Bluetooth for desk and console gaming with a mic that swings out when you need it.
The Carol Pro is built around two ideas: clean wireless audio and quiet. The driver is an in-magnet dynamic unit with unusually high sensitivity, and Bawjog pairs it with a Hi-Fi DSP stage that shapes frequency response, tonal balance and spatial presentation — the goal being a wide, three-dimensional feel rather than a flat left-right spread. Codec support covers LDAC, AAC and SBC over Bluetooth 5.4, so if your phone or player handles LDAC you're getting the higher-resolution path rather than the baseline one.
Noise cancellation is the headline spec: six microphones in a matrix, AI-assisted capture, and up to 55dB of reduction. That's a serious number for a bud, and it's the reason this thing makes sense on a train, a plane, or an open-plan office. The same six-mic array handles calls, isolating your voice and resisting wind noise, which is the part most budget buds get wrong.
Battery is 7 hours per charge in the buds, 35 hours total with the case, and a 10-minute top-up buys about 2 hours. There are four modes: Gaming at 55ms, Commuting with ANC, Office with transparency, and Indoor standard. For latency specifically, Gaming mode is the one you switch on.
EKSA E900BT: Who It's For
The E900BT is a different animal entirely. It's an over-ear headset with 50mm dual-chamber dynamic drivers that split high, mid and low duties to keep distortion down. EKSA also adds 7.1 surround processing, which is aimed squarely at positional audio — footsteps, engines, door creaks — and the sort of thing that matters in shooters and cinematic games more than in music.
Latency is the number EKSA leads with: 20ms. That's the lowest figure between these two, and it's the reason the headset shows up in gaming searches at all. Connectivity is flexible: 2.4GHz USB and Type-C dongles for PC, PS5, PS4 and Switch, plus Bluetooth for laptops, phones and Macs. There's also a 3.5mm jack, which is worth knowing if you ever want a wired fallback.
The microphone is retractable and uses EKSA's VoicePure ENC processing over a dedicated interference-resistant channel, so voice chat stays intelligible. Comfort comes from CloudSoft ear cushions with breathable memory foam, which is the right call for long sessions. Battery is rated at 50 hours with a 2-hour charge time, and controls are physical push buttons — no app required, no touch gestures to misread.
Buy it if you game at a desk or on a console and want a mic plus all-day battery. Skip it if you need active noise cancellation, want something pocketable, or prefer in-ear fit.
• Best for lowest latency → EKSA E900BT. 20ms beats the Carol Pro's 55ms Gaming mode on paper, and it's the number that matters most when you're reacting to on-screen events.
• Best for noise cancellation → Bawjog KZ Carol Pro. Up to 55dB of hybrid ANC is a capability the EKSA simply doesn't have; the EKSA relies on passive foam sealing.
• Best for battery life → EKSA E900BT. 50 hours on one charge against 35 hours total including the Carol Pro's case.
• Best for calls on the move → Bawjog KZ Carol Pro. Six mics with wind-noise resistance and voice isolation, and no boom arm sticking out.
• Best for desk and console gaming → EKSA E900BT. 2.4GHz dongles for PC and PlayStation, 7.1 surround, retractable mic, push-button controls.
• Best for commuting and travel → Bawjog KZ Carol Pro. Four scenario modes, transparency for the office, and a charging case that fits a pocket.
• Best for higher-resolution wireless audio → Bawjog KZ Carol Pro. LDAC support on Bluetooth 5.4; the EKSA lists Bluetooth 5 with no LDAC.
• Best for plug-and-play simplicity → EKSA E900BT. No app, no ear tips, no codec decisions — just dongle, Bluetooth or 3.5mm.
My Verdict
In my opinion, these two aren't really competing for the same buyer, so the decision is about form factor first. If you live on a train, take calls in noisy places, and want the lowest-latency Bluetooth earbud with genuine ANC, I'd take the Bawjog KZ Carol Pro — the 55ms Gaming mode, LDAC, six-mic array and 55dB cancellation are a lot of capability in a bud. If your gaming happens at a desk or on a console and you need a mic plus 50 hours of battery, I'd take the EKSA E900BT — 20ms latency and the retractable boom mic are exactly what that setup wants. Buy the shape that matches your day, then check the current price on Amazon before you commit.
how to make bluetooth headphones low latency
The practical answer is to use the low-latency mode the headset already ships with, rather than trying to tune Bluetooth yourself. The Bawjog KZ Carol Pro has a dedicated Gaming mode rated at 55ms; the EKSA E900BT is rated at 20ms and, on PC or console, can also run over its 2.4GHz USB or Type-C connection instead of Bluetooth. On a 2.4GHz dongle you remove the Bluetooth codec from the chain entirely, which is why gaming headsets lean on it.
how to get low latency on bluetooth headphones windows 11
On Windows 11, the biggest wins come from the adapter and the codec, not from a hidden slider. A Bluetooth 5.4 source like the Carol Pro pairs with a modern adapter for a faster, more stable link, and its Gaming mode is the setting to switch on for play. If your PC supports it, using the EKSA's 2.4GHz USB dongle bypasses Bluetooth altogether and is the cleaner path for low-latency gaming.
how to get low latency on bluetooth headphones
Check what modes the headset exposes and use the gaming one. The Carol Pro splits its modes into Gaming, Commuting, Office and Indoor, with Gaming being the 55ms setting; the E900BT's low-latency behavior is tied to its 2.4GHz connection and its 20ms rating. Beyond that, keep the source close and avoid stacking other Bluetooth devices on the same adapter.
do bluetooth headphones have latency
Yes — Bluetooth audio always involves some delay, because the signal is compressed, transmitted wirelessly and decoded on the other end. What varies is how much. The EKSA E900BT is rated at 20ms and the Bawjog KZ Carol Pro at 55ms in Gaming mode; both are low enough that most people stop noticing the gap between what they see and what they hear, especially compared with standard-mode listening.
As an Amazon Associate I earn from qualifying purchases.
We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon and affiliated sites.
When you buy through links on this page, we may earn a commission from qualifying purchases at no extra cost to you.
Amazon and the Amazon logo are trademarks of Amazon or its affiliates. This site is an independent third-party review and is not affiliated with, endorsed by, or sponsored by Amazon or the product brands mentioned.
See also: bluetooth headphones low latency, headphones bluetooth with microphone, bluetooth headphones for tv