How We Research
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
If you want a straightforward pair of wireless earbuds with a fun Crash Bandicoot theme and zero smartwatch clutter, choose OTL Technologies CB1220; if you need one device that puts a fitness-tracking smartwatch and a pair of earbuds on your wrist, choose Desong Watch.
• OTL Technologies CB1220 — biggest strength: A dedicated set of in-ear TWS earbuds with Bluetooth 5.3, touch controls, and a charging case that stretches listening time across the day. Simple, focused, easy to live with.
• OTL Technologies CB1220 — biggest trade-off: No noise control, no watch, no fitness features. It is purely an audio product, and the battery life is measured in hours, not days.
• Desong Watch — biggest strength: A 2-in-1 package that combines a 1.43-inch AMOLED smartwatch with earbuds that store and charge inside the watch itself. One item replaces two.
• Desong Watch — biggest trade-off: The earbuds deliver around 3.5 hours of music per charge, so heavy listeners will be docking them often. It is also a more complex product to learn.
• Who each pick is for: Choose the OTL CB1220 if you mainly want earbuds for commuting, travel, or workouts. Choose the Desong Watch if you want fitness tracking, notifications, and audio from a single wrist-worn gadget.
The CB1220 is a classic true-wireless earbud setup, and it does not pretend to be anything else. Each earbud runs Bluetooth 5.3 for a stable connection, and OTL rates the audio as full and rich with deep bass, smooth mids, and clear highs from a dynamic driver covering 20 Hz to 20,000 Hz. I like that it uses touch controls: a tap handles play, pause, track skipping, call answer and reject, and voice assistant activation. No fumbling for a button mid-run.
Battery is the practical story here. The earbuds deliver up to 6 hours of listening, and the included Type-C charging case holds three further charges, which OTL describes as all-day use. The case itself recharges in about 1.5 hours, and the buds take around 2 hours for a full charge. That is a familiar, proven pattern — listen, drop them in the case, top up, repeat.
Who should buy it? Anyone who wants simple, no-nonsense earbuds for travel, commuting, or exercise, and who likes the orange Crash Bandicoot styling. The box includes two pairs of silicone eartips so you can adjust the fit and get a better acoustic seal, plus a USB cable, the charging case, and a manual. It is also worth noting the 10-meter Bluetooth range and the lack of a headphone jack, meaning it is wireless only.
Who should skip it? If you want step counting, heart rate, sleep tracking, or notifications on your wrist, this is not that product. There is no noise control either, so if you need active noise cancellation for loud flights or open offices, look elsewhere. And if you dislike touch controls — some people find taps finicky — a button-based design may suit you better.
The Desong Watch is a genuinely different proposition: it is a smartwatch and a pair of earbuds fused into one device. The 1.43-inch AMOLED display runs at 466x466 resolution with anti-glare treatment for outdoor visibility, and the energy-efficient panel allows an always-on screen without hammering the battery. You get pre-loaded watch faces, and the companion app adds 100+ more, including the option to use your own photos.
The earbuds live inside the watch and charge there automatically. Desong rates the earbuds at roughly 3.5 hours of music per charge, with the watch able to recharge them up to 7 times. The watch itself packs a 300 mAh battery, charges in about 3.5 hours, and supports up to 20 days of standby — a very different rhythm from a typical earbud case.
The fitness side is broad rather than deep: 110+ sport modes, with real-time distance, speed, and calorie tracking, plus heart rate, blood oxygen, sleep management, step counting, and a sedentary reminder. GPS comes via your phone rather than built in, which is normal at this tier. Notifications from calls, SMS, Facebook, WhatsApp, Instagram, and Twitter land on the watch face with a gentle vibration, and there is an AI voice assistant plus Siri support through the controller. IP67 waterproofing covers sweat, rain, and hand washing, and it works with both Android and iOS.
Who should buy it? Someone who wants to carry less. If you go out walking or running and would rather leave your phone and separate earbud case behind, the 2-in-1 format is genuinely convenient. Fitness-focused buyers who want a wide spread of activity modes and daily health metrics will get a lot of use from it.
Who should skip it? If audio quality and long listening sessions are your priority, the 3.5-hour earbud runtime and the more basic audio design will frustrate you. If you want a polished, app-rich smartwatch ecosystem, the DA FIT platform is simpler than the big-name alternatives. And if you want a pure audio product with no charging chores, the OTL is easier.
• Best for pure audio focus → OTL Technologies CB1220. It is built for listening, with 6 hours per charge plus three case recharges.
• Best for fitness tracking → Desong Watch. 110+ sport modes, heart rate, blood oxygen, sleep, and step counting in one device.
• Best for leaving your phone at home → Desong Watch. The watch handles notifications, calls, and music without a separate earbud case.
• Best for long, uninterrupted listening → OTL Technologies CB1220. Roughly 6 hours versus about 3.5 hours per earbud charge.
• Best for screen and display quality → Desong Watch. The 1.43-inch AMOLED at 466x466 with anti-glare is the standout spec of the two.
• Best for simplicity → OTL Technologies CB1220. Auto-pairing, touch controls, and a case you drop the buds into. Nothing to configure beyond the basics.
• Best for workouts and sweat → Desong Watch. IP67 waterproofing plus heart rate tracking make it the more workout-oriented pick.
• Best for style and theme → OTL Technologies CB1220. If the orange Crash Bandicoot look appeals to you, it is a fun, distinctive choice for a teen or gamer.
• Best for travel convenience → depends on the trip. Long-haul flights favour the OTL's battery; active trips favour the Desong's all-in-one format.
In my opinion, most people shopping this comparison should buy the Desong Watch. The 2-in-1 idea solves a real problem: fewer things to charge, carry, and lose. The AMOLED screen, 110+ sport modes, and 20-day standby make it a genuinely useful everyday device, and the earbuds charging inside the watch is a smart design. I would only steer you to the OTL Technologies CB1220 if your priority is audio above all else — longer listening per charge, a cleaner focus, and a lower learning curve. Buy the Desong for what it does; buy the OTL for what it does not try to do.
FAQ
They solve different problems. The Desong gives you a smartwatch and earbuds in one, with fitness tracking and notifications. The OTL gives you longer earbud listening per charge and a simpler, audio-only experience. "Better" depends entirely on whether you want tracking or just sound.
Yes. The earbuds are designed for travel, commuting, and exercise, with two sizes of silicone eartips to help the fit stay secure. Just note there is no noise control and no water-resistance rating listed, so heavy sweat or rain exposure is a question mark compared with the IP67 Desong.
The OTL earbuds provide up to 6 hours of listening, with the case adding three further charges. The Desong earbuds provide about 3.5 hours of music per charge and can be recharged inside the watch up to 7 times. For marathon listening, the OTL wins; for all-in-one convenience, the Desong does.
That depends on what you need to replace. If you were going to buy a smartwatch and earbuds separately, the Desong covers both in one purchase. If you only want earbuds, the OTL is the more focused buy. Check the current price on Amazon for both before deciding, since value shifts with whatever each is going for.
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