| Display | 1.32-inch AMOLED, 466 x 466 pixels (353 ppi), up to 2,000 nits peak brightness; tempered glass (standard) or sapphire glass (premium) | None - screen-free band with no buttons; data is shown in the Polar Flow app |
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| Case | Round 44 mm, stainless-steel bezel with polymer middle frame, 43.9 x 43.9 x 9.9 mm, 2 buttons | — |
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| Weight | 29.5 g standard / 31.65 g premium (without strap) | — |
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| Strap | 20 mm quick-release; silicone (standard, black or red) or black leather (premium, with extra red silicone strap) | — |
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| Battery | Up to 10 days typical use, up to 19 days in battery saver mode, up to 5 days heavy use, up to 21 hours continuous GPS; 270 mAh (rated), magnetic charging base, about 2 hours to charge | Up to 8 days, 170 mAh Li-Pol, USB-C charging cable |
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| Sensors | BioTracker 6.0 PPG heart-rate sensor, accelerometer, gyroscope, geomagnetic sensor, barometric altimeter, ambient light sensor, temperature sensor | Polar Precision Prime optical heart-rate sensor (OHR Gen 3.5), accelerometer; no skin temperature sensing |
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| Positioning | 5 satellite positioning systems with circularly polarised antenna, offline maps with turn-by-turn directions | — |
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| Water Resistance | 5 ATM | — |
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| Connectivity | Bluetooth 5.2 (BLE) | Bluetooth Low Energy (one connection, reserved for Polar Flow); no built-in GPS (uses phone GPS in Polar Flow) |
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| Audio | Built-in microphone and speaker, Bluetooth calls | — |
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| Sports Modes | 160+ sports modes (164 listed) including HYROX race mode; strength-training recognition of 25 exercises | — |
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| Health Tracking | 24-hour heart rate, blood-oxygen, stress and skin temperature, sleep stages and breathing quality, Readiness score, sleep HRV, PAI, menstrual cycle tracking | — |
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| Smart Features | Zepp Flow voice assistant (select regions), Zepp Coach, music control, call and app notifications, Android quick replies; Zepp Pay on the NFC premium model in Europe | — |
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| Compatibility | Android 7.0 and above, iOS 14.0 and above, via the Zepp App | — |
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| In the Box | Amazfit Active 2 with strap, magnetic charging base (no USB-C cable), instruction manual | — |
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| Body | — | Stainless steel sensor unit, 42 x 27 x 9 mm; 29 g with band (19.5 g without band); SoftWeave band in S/M and M/L sizes; WR30 water resistance |
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| Tracking | — | 24/7 heart rate, activity, sleep and recovery tracking; Nightly Recharge, SleepWise, Sleep Plus Stages, Training Load Pro, automatic training detection |
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| Memory | — | 4 weeks of data on the band (16 MB storage) |
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| Software | — | Polar Flow app (free, no subscription); one-time purchase |
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| Colors | — | Greige Sand, Night Black, Brown Copper; extra bands USD 29.90 |
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