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We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
If you want a lightweight open-ear pair with active noise cancellation and a battery readout you can glance at, choose AGM OpenBuds 1; if you need marathon battery life with fast top-ups and a more advanced Bluetooth chip, choose GTbeans Open Ear Earbuds.
• AGM OpenBuds 1 biggest strength: Active Noise Cancellation, a real-time digital battery display, and a very light clip-on design with Bluetooth 5.4.
• AGM OpenBuds 1 biggest trade-off: Shorter battery life — 8 hours per charge and 40 hours total — and only a 1-year... actually a 2-year warranty is listed, so the trade-off is purely the lower runtime versus the GTbeans.
• GTbeans Open Ear Earbuds biggest strength: 16 hours per charge, 56 hours total, Bluetooth 6.0, fast charging, and a 4-mic AI call system.
• GTbeans Open Ear Earbuds biggest trade-off: No active noise cancellation (it uses environmental noise cancellation for calls), and it relies on touch controls, which some people find fiddly.
• Who AGM OpenBuds 1 is for: buyers who value a featherweight clip-on feel, want ANC to soften background noise, and like seeing battery levels on a display.
• Who GTbeans Open Ear Earbuds is for: cyclists, runners and commuters who want to go days between charges and take clear calls in noisy places.
The AGM OpenBuds 1 is built around the open-ear clip idea: a U-shaped hook that sits over the ear without plugging the canal. That's the whole point of open ear TWS — you get music and calls while still hearing traffic, a running partner, or a colleague walking up behind you. AGM leans hard into the "weightless" angle, and the spec sheet backs the intent: plastic and silicone construction, a hook-shaped earpiece, and a compact form that's meant to disappear on your ear during long sessions.
Where it separates itself is in the details. It carries Active Noise Cancellation, which is unusual for an open-ear design and genuinely useful if you wear it on a loud train or in a busy office and want to take the edge off ambient rumble. There's also a built-in digital display that shows real-time battery levels for both the earbuds and the case — small thing, but it kills the guessing game of "do I have enough left for this run?" Bluetooth 5.4 handles pairing, TWS auto left-right recognition lets you use one bud or both, and the 20 Hz–20 kHz dynamic driver covers the usual full range. Battery lands at 8 hours per charge and 40 hours with the case, with a 2-hour charge time. It's listed as waterproof and sweatproof, and AGM backs it with a 2-year warranty.
I'd point this at people who prioritize comfort and awareness over raw runtime: runners who hate pressure in the ear, gym-goers doing circuit work, remote workers who want background audio without sealing off the room. Skip it if you routinely go days without charging, or if you want the absolute longest battery in this comparison — the GTbeans wins that one clearly.
The GTbeans E20 is the endurance pick. It's an ear-hook open-ear design with a 2.8mm slim earhook wrapped in a 0.7mm titanium memory wire, so the hook flexes and springs back to hold its shape across different ear sizes. Each bud weighs 8.58g, and the skin-friendly silicone coverage is aimed at all-day wear without irritation. The carrying case is small and pocketable at 44g and roughly 3.07 × 2.48 × 0.9 inches.
The headline is battery: 16 hours on a single charge, 56 hours with the case, plus fast charging that gives you 2 hours of use from a 10-minute top-up. For a cyclist doing a long weekend ride or a runner who forgets to charge, that's a meaningful cushion. Audio comes from a 16mm dynamic driver paired with Bluetooth 6.0 and GTbeans' OpenPulse tuning, which is pitched at deeper bass and directional audio that limits sound leakage — handy if you don't want to broadcast your playlist on a quiet train. Calls get 4 beam-forming mics with AI noise filtering, and the IP55 rating plus nano-coating covers sweat and rain. Controls are touch-based — double tap, triple click, hold — with no app required. Warranty is 1 year.
This is the one I'd hand to commuters, cyclists and heavy workout users who want to charge rarely and take calls on a noisy street. Skip it if active noise cancellation matters to you — GTbeans uses environmental noise cancellation for voice pickup, not for blocking the world out — or if you dislike touch controls and prefer physical buttons.
Side-by-Side: Which Should You Choose?
• Best battery life → GTbeans Open Ear Earbuds (56 hours total vs 40 hours).
• Best for long rides and multi-day trips without a charger → GTbeans Open Ear Earbuds (16 hours per charge, 10-minute fast charge).
• Best for battery transparency → AGM OpenBuds 1 (digital display for bud and case levels).
• Best for clear calls in loud places → GTbeans Open Ear Earbuds (4 beam-forming mics with AI filtering).
• Best for the lightest, most unobtrusive feel → AGM OpenBuds 1 (clip-on U-shaped hook, no pressure).
• Best for newer wireless tech → GTbeans Open Ear Earbuds (Bluetooth 6.0 vs 5.4).
• Best for a longer warranty → AGM OpenBuds 1 (2 years vs 1 year).
In my opinion, GTbeans Open Ear Earbuds is the better buy for most people shopping open ear TWS. The 56-hour battery, fast charging, Bluetooth 6.0 and 4-mic call setup cover the things that actually annoy open-ear users day to day — dead buds and muffled calls. I'd only steer you to the AGM OpenBuds 1 if active noise cancellation and the battery display are must-haves for you, or if you want the longer 2-year warranty. If you're torn purely on runtime, GTbeans wins. Check the current price on Amazon before you commit, since that's the one variable that can flip the decision.
how to open tws earbuds
Open the charging case lid and take the two earbuds out — both the AGM OpenBuds 1 and the GTbeans E20 use TWS auto pairing, so they connect to each other automatically once removed. Then enable Bluetooth on your phone and select the earbud name in the device list. After the first pairing, they normally reconnect on their own when you take them out again.
how to use tws earbuds
Charge the case fully first, then pair once with your phone. From there you can use one earbud or both — the AGM OpenBuds 1 supports auto left-right recognition for single-bud use. Controls differ by model: the AGM uses button controls for play, pause, skip, volume and calls, while the GTbeans uses touch gestures like double tap, triple click and hold.
how to wear tws earbuds
Both of these are open-ear designs, so they sit outside the ear canal rather than inside it. The AGM OpenBuds 1 uses a U-shaped clip that hooks over the ear without pressure; the GTbeans E20 uses a slim earhook with a titanium memory wire that bends to your ear shape. Rest the hook over the top of your ear with the driver facing into the canal opening, then adjust until it feels secure.
how to operate tws earbuds
Operation is through the earbuds themselves — no app needed for either model. The AGM OpenBuds 1 uses button controls, so presses are deliberate and less prone to accidental triggers. The GTbeans E20 uses sensitive touch controls with double tap, triple click and hold functions designed to reduce misoperation. Volume, track skipping and call answering are all handled on the bud.
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