This Smartwatch Reads Your Muscles and Won’t Die for Days

NEWS – We got hands on the Xiaomi Watch 5 at MWC 2026 in Barcelona, alongside the rest of Xiaomi’s new lineup, and it stood out immediately. The feature list reads like someone merged three different product categories into one round case. It’s got a sensor that reads the electrical signals in your arm muscles, battery tech borrowed directly from Xiaomi’s flagship phone, and it runs Google’s Wear OS 6 instead of Xiaomi’s own software. Any one of those would be interesting on its own. All three in the same watch, at a price that undercuts most of the competition, makes it one of the more curious wearables on the show floor this year.

Price: €299 (Estimated $348)
Where to Buy: Xiaomi

The muscle thing is real

Here’s where it gets genuinely weird. The Xiaomi Watch 5 has an EMG sensor, which stands for electromyography, and it detects the tiny electrical impulses your muscles fire when you move your hand. Flex your fingers a certain way and the watch picks up the signal. Xiaomi’s mapped several distinct gestures to this system, including pinch, rub, snap, shake, and rotate motions, so you can answer calls, dismiss notifications, scroll through menus, and control music without ever touching the screen.

If that sounds familiar, Apple introduced a double-tap gesture on the Apple Watch Ultra 2 back in 2023. But that was one gesture. Xiaomi’s pushing a handful, using a different type of sensor that reads deeper muscle activity rather than wrist motion. Whether they all feel reliable in daily use is something that won’t be clear until people spend real time with the watch. The concept, though, is the kind of thing that makes you want to try it immediately.

Phone battery tech on your wrist

Smartwatch battery life has been the quiet frustration of the entire Wear OS ecosystem for years. The smaller Pixel Watch 4 is rated for 30 hours, and real-world use on the 45mm model can stretch past two days. The Galaxy Watch Ultra averages about two days in most tests. Most people have accepted that charging a smartwatch every night is just part of the deal.

Xiaomi apparently didn’t accept that. The Watch 5 carries a 930mAh battery built with silicon-carbon technology, the same type of silicon-carbon chemistry Xiaomi uses in the 17 Ultra phone. Xiaomi claims six days in smart mode with the full Wear OS 6 experience running, and up to 18 days in power saving mode. Even if real-world numbers land at four to five days, that’s still roughly double what the best Wear OS alternatives deliver.

The trick isn’t just the battery itself. Xiaomi built a dual-chip system inside the Watch 5, pairing a 4nm Snapdragon W5 Gen 1 for heavy tasks with a separate 6nm BES2800 chip that handles low-power functions like always-on display and basic sensor tracking. When you’re not actively using the watch, the system hands off to the smaller chip and the Snapdragon basically takes a nap. It’s a clever bit of engineering that explains how those battery numbers get so high without sacrificing the full Wear OS experience.

Xiaomi ditched its own software

This is maybe the most telling decision in the whole product. Xiaomi spent years developing its own wearable software, from MIUI to HyperOS, and the Watch 5 dumps it entirely in favor of Google’s Wear OS 6. That means full access to the Google Play Store, where you can download any Wear OS app directly to the watch, plus Google Maps on your wrist, Google Wallet for tap-to-pay, and Gemini as the built-in AI assistant.

The switch signals something bigger than one product choice. Xiaomi’s essentially saying that its own wearable software couldn’t compete with Google’s app ecosystem, and rather than fighting that battle, it’s putting its hardware engineering where it actually has an advantage. The result is a watch that runs the same core software as a Pixel Watch or Galaxy Watch but wraps it in hardware that lasts dramatically longer. Android Central’s already called it their favorite Wear OS smartwatch, and the software experience is a big part of why.

It looks more expensive than it is

The Xiaomi Watch 5 doesn’t look like a budget option. It’s got a stainless steel frame, sapphire glass on both the front and back, and a 1.54-inch AMOLED display that hits 1,500 nits. At 480 by 480 resolution, text looks sharp and colors pop in a way that feels closer to Samsung’s best than to the mid-range Wear OS watches that have been filling out the category.

There’s a Juniper Green colorway that actually looks distinctive rather than just being another green option, and the black version keeps things clean for anyone who prefers not to make a statement with their wrist. The watch weighs 56 grams, carries 5ATM water resistance, and includes sensors for SpO2, heart rate, and barometric pressure. Xiaomi’s also packed in over 150 sports modes with 3D animated workout guidance, which sounds excessive until you remember that every competitor does the same thing now.

The optional titanium strap is worth its own mention. Xiaomi 3D-printed it, and the result weighs just 43 grams, roughly 50% lighter than a comparable stainless steel bracelet. It’s one of those details that sounds minor on paper but makes a noticeable difference when you’re wearing the thing for 16 hours a day.

The price question

In Europe, the Xiaomi Watch 5 is listed at €299.99. US pricing hasn’t been officially confirmed yet, though some listings have surfaced around the $160 mark. If that US number holds, it would dramatically undercut the Pixel Watch 4 and Galaxy Watch Ultra while offering battery life that neither can match.

Even at European pricing, this is a watch that’s competing with hardware costing significantly more. The combination of Wear OS 6, that dual-chip battery system, the EMG sensor, and build materials that include sapphire glass and stainless steel puts it in a strange position. It’s priced like a mid-range option but specced like something that should cost more.

What makes this one interesting

The smartwatch market has felt stale for a while now. Apple iterates carefully. Samsung adds features around the margins. Google’s Pixel Watch line tops out around two days on its larger model. The Xiaomi Watch 5 doesn’t solve every problem, but it’s asking different questions than everyone else. What if the battery lasted a week? What if you could control the whole thing with muscle signals? What if the best Wear OS experience came from a company that just abandoned its own OS to make it happen?

Price: €299 (Estimated $348)
Where to Buy: Xiaomi

Those aren’t incremental questions. They’re the kind of swings that make a product worth paying attention to, regardless of where you land on brand loyalty. The Xiaomi Watch 5 release date landed right at MWC 2026, and it’s already available in select markets, with broader global availability expected through spring 2026.