Pebble Round 2 refers to the second generation of the Pebble smartwatch, specifically the round-faced model announced in 2015. It is incredible for its combination of a lightweight, comfortable design, a sharp always-on color display, and a battery life that far exceeds modern smartwatches, all while maintaining compatibility with both Android and iOS. This article explains what makes the Pebble Round 2 stand out, how it works, its limitations, and whether it is still worth considering today.
Background: The Pebble Smartwatch Line
Pebble was a pioneer in the smartwatch market, launching its first watch via a record-breaking Kickstarter campaign in 2012. The original Pebble used a black-and-white e-paper display and offered a week-long battery life, a stark contrast to the LCD or OLED screens of competitors. The Pebble Round 2, officially named the Pebble Time Round, was released in late 2015. It was a thinner, round-faced version of the Pebble Time, which itself was the second generation of the Pebble platform (the first having a rectangular display). The Time Round was designed to look more like a traditional watch and to appeal to users who found square smartwatches bulky or unattractive.
What Makes the Pebble Round 2 Incredible?
The most impressive feature is its physical design. At just 7.5 mm thick and weighing around 28 grams, the Pebble Time Round was, and still is, one of the thinnest and lightest smartwatches ever made. It feels almost like a regular analog watch on the wrist. The always-on color e-paper display (a low-power memory LCD) means you don’t need to raise your wrist or tap the screen to see the time—it’s always visible, just like a traditional watch. This is a significant advantage over many modern smartwatches that use OLED screens, which require a gesture to wake.
Another incredible aspect is the battery life. While the round form factor forced a smaller battery (the round case can’t hold as large a cell as a square one), the Pebble Time Round still managed to last about 2 days on a single charge. That’s far less than the 7-10 days of the square Pebble Time, but still better than the 1-2 days of most full-featured smartwatches like the Apple Watch or Wear OS devices. The charging time is also fast—about 15 minutes for a full day of use.
How It Works: Display, Buttons, and Software
The Pebble Time Round uses a 1.25-inch color e-paper display with a resolution of 240×240 pixels. It’s not as sharp as modern AMOLED screens, but it’s perfectly readable in sunlight and uses almost no power when static. The watch has three physical buttons on the right side (back, up, down) that you use to navigate the interface. There is no touchscreen, which some users find limiting, but it also means you can use the watch with gloves or when your hands are wet.
The software is the Pebble OS, which is simple and fast. It supports notifications (calls, texts, email, calendar, and any app that sends notifications to your phone), music controls, weather, alarms, timers, and a step counter. The Pebble app store had thousands of watchfaces and apps, though many are no longer maintained. The watch connects to your phone via Bluetooth and works with both Android and iOS, though some features (like replying to messages) are more limited on iOS.
Common Problems and Limitations
The most significant limitation is that the Pebble company was acquired by Fitbit in 2016, and the servers that supported the Pebble app store and voice dictation were shut down in 2018. This means you cannot download new apps or watchfaces from the official store. However, the core functionality (notifications, timers, alarm, step counting) still works if you have the Pebble app installed on your phone. Community projects like Rebble have stepped in to restore some services, but they require a subscription and some technical setup.
Another common issue is the battery. After several years, the battery in a used Pebble Time Round may have degraded, so you might get only a day or less of use. Replacement batteries are available, but the repair is delicate due to the thin case. The proprietary charging cable is also a point of failure; if you lose it, you’ll need to find a replacement online.
The lack of a touchscreen and the small screen size (1.25 inches) make it less capable for reading long messages or interacting with complex apps. It’s a notification glance and quick reply device, not a mini-phone.
Comparing Pebble Round 2 to Modern Smartwatches
Compared to a modern Apple Watch or Samsung Galaxy Watch, the Pebble Time Round is far more limited. It has no GPS, no heart rate monitor, no speaker, no microphone (except for voice replies on Android), no NFC payments, and no app ecosystem. It can’t take calls on the watch, run navigation, or track workouts with GPS. What it does better than any modern smartwatch is:
- Weight and thickness: It’s lighter and thinner than almost any current smartwatch.
- Battery life: Even at 2 days, it beats most full-featured watches.
- Always-on display: No gesture needed, and it’s readable in direct sunlight.
- Simplicity: The interface is snappy and focused on notifications and quick actions.
If you need a smartwatch for fitness tracking, contactless payments, or standalone connectivity, the Pebble Round 2 is not the right choice. If you want a minimal, elegant notification companion that looks like a regular watch, it’s still unique.
Costs and Where to Find One
Since Pebble is defunct, you can only buy the Pebble Time Round on the secondhand market (eBay, Swappa, etc.). Prices vary widely based on condition and whether the original charger is included. Expect to pay anywhere from $30 to $100 for a used unit. Be aware that the battery is likely old, so factor in the cost of a replacement battery (around $10-20) and the effort to replace it, or find a seller who claims to have replaced it. There are also aftermarket straps available, but the 20mm standard lug size makes it easy to use any 20mm strap.
Safety and Practical Considerations
There are no significant safety concerns with the Pebble Time Round itself. It’s a low-power device with a non-ionizing Bluetooth radio. However, if you buy a used one, check the battery for swelling (the screen may pop out) and stop using it if that happens. The charging cable is proprietary, so use only a cable designed for the Pebble Time Round to avoid damaging the watch. When replacing the battery, follow a guide and use a proper tool to avoid damaging the delicate display ribbon cable.
Frequently Asked Questions
Can I still use a Pebble Round 2 in 2025?
Yes, with some caveats. The core features (notifications, alarms, timers, step counter, watchfaces) work if you have the Pebble app installed on your Android or iOS phone. The official app store is dead, but you can sideload watchfaces and apps using the Pebble app’s developer mode or community tools. Voice dictation and weather require a third-party service like Rebble, which costs a small subscription fee.
Is the Pebble Round 2 waterproof?
No. The Pebble Time Round has a water resistance rating of IPX7, which means it can withstand splashes, rain, and being submerged in up to 1 meter of water for 30 minutes. It is not suitable for swimming or showering. The buttons and microphone port are not sealed as well as the square Pebble models.
How long does the battery last on a full charge?
Officially, the Pebble Time Round lasts about 2 days with typical use (notifications, occasional screen time). With heavy use, it might last 1.5 days. With light use (no notifications, just time display), it can last up to 3 days. After years of use, the battery capacity degrades, so a used unit may only last a day or less.
Does the Pebble Round 2 work with iPhone?
Yes, it works with iPhones running iOS 8 or later. You can receive notifications, control music, and use basic watchfaces. However, you cannot reply to texts or emails from the watch on iOS (only on Android), and some third-party apps may be limited. The Pebble app is still available on the App Store, but it may not be updated for the latest iOS versions.
Is the Pebble Round 2 better than the square Pebble Time?
It depends on your priorities. The Round 2 is much thinner and lighter, and looks more like a traditional watch. The square Pebble Time has a longer battery life (7 days) and a slightly larger screen (1.5 inches vs 1.25 inches). The square model is also more water-resistant (5 ATM vs IPX7). If you value style and comfort, choose the Round; if you value battery life and durability, choose the square.
Can I replace the battery in a Pebble Round 2?
Yes, it is possible but requires careful disassembly. The battery is glued to the back of the case, and the display ribbon cable is fragile. You’ll need a spudger, a suction cup, and a small screwdriver. There are video guides online. If you’re not comfortable with microelectronics, it’s better to find a repair service or buy a unit with a fresh battery.
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