Full specifications, features and battery life for the Xiaomi Smart Band 11, the brand’s entry fitness band, which has no built-in GPS.
| Manufacturer | Xiaomi |
| Type | Fitness band |
| Series | Smart Band |
| Predecessor | Xiaomi Smart Band 10 |
| Successor | None yet |
| Dimensions | 47.44 x 23.66 x 9.99mm, excluding the heart rate sensor (Ceramic Edition 47.76 x 23.89 x 9.99mm) |
| Weight | 15.58g, excluding strap (Ceramic Edition 21.45g) |
Specifications and features as at launch.
Expert opinion | Specifications | Battery life | Features | Further reading
Expert opinion
Smart Band 11 is for people who want heart rate, sleep and daily activity from something that weighs about 15g. It has no built-in GPS, so outdoor runs and rides get no route, and pace will be a guess next to a GPS band or watch. Its most useful training feature is Bluetooth heart rate broadcast, which turns the band into a cheap optical sensor for a bike computer or an indoor training app. Underwater heart rate and a 5 ATM rating cover pool swims, and there are more than 150 sports modes. The health side is where it earns its place: a sleep assistant that learns what helps and hurts your sleep, all-day stress and blood oxygen, and menstrual tracking. There is no ANT+, no training load and no structured workouts. Battery is a claimed 10 days in normal use. Anyone who mostly runs outdoors should buy Smart Band 10 Pro or a GPS watch instead; this one suits sleep, health and notifications.
Specifications
| Display | |
|---|---|
| Type | AMOLED touchscreen |
| Size | 1.72in |
| Resolution | 212 x 520px |
| Brightness | 1,500 nits HBM with automatic brightness, up to 2,000 nits peak |
| Refresh rate | Up to 60Hz |
| Bezel width | 2.0mm |
| Physical | |
| Dimensions | 47.44 x 23.66 x 9.99mm, excluding the heart rate sensor (Ceramic Edition 47.76 x 23.89 x 9.99mm) |
| Weight | 15.58g, excluding strap (Ceramic Edition 21.45g) |
| Case material | Aluminium alloy body with TPU strap; Ceramic Edition has a ceramic body and fluororubber strap |
| Colours | Midnight Black, Glacier Silver, Mystic Pink; Ceramic Edition in Pearl White |
| Wrist size | 135 to 210mm |
| Water resistance | 5 ATM / 50m (ISO 22810:2010) |
| Haptics | Linear motor |
| Sensors and positioning | |
| Positioning | No built-in GPS. Xiaomi’s specification sheet lists no satellite positioning. |
| Optical heart rate | Dual-LED, dual-PD optical heart rate and blood oxygen sensor |
| Other sensors | Accelerometer, gyroscope, electronic compass, ambient light sensor |
| © the5krunner. Link required. | |
| Connectivity and battery | |
| Wireless | Bluetooth 5.4. No ANT+. No NFC on this model; Xiaomi sells a separate Smart Band 11 NFC. |
| Heart rate broadcast | Bluetooth (BLE heart rate profile) |
| Battery | 233mAh lithium polymer |
| Battery, light use | Up to 21 days claimed |
| Battery, normal use | Up to 10 days claimed |
| Battery, always-on display | Up to 6 days claimed |
| Charging | Magnetic charger, approximately 90 minutes for a full charge |
| Compatibility | Android 8.0 or iOS 14.0 and later, Mi Fitness app |
Battery life
Xiaomi claims up to 21 days in light use, 10 days in normal use, and 6 days with the always-on display. The normal-use figure includes all-day heart rate, high-precision sleep tracking, all-day stress and blood oxygen monitoring, and 60 minutes of recorded exercise a week. Several hours of training a week will bring that figure down, but a weekly charge should still be enough for most people. Light use assumes heart rate every 30 minutes with sleep, stress and blood oxygen tracking switched off, which removes most of what the band is bought for. A full charge on the magnetic cable takes about 90 minutes.
Features
Full feature detail is covered on the Xiaomi specifications index.
Sport and training
- More than 150 sport modes cover gym, studio and outdoor activities.
- Bluetooth heart rate broadcast sends live heart rate to compatible bike computers and third-party apps.
- Underwater heart rate monitoring adds heart rate data to pool swims.
- Heart rate is sampled every minute during activity in smart monitoring mode.
Health and recovery
- The sleep assistant analyses sleep history to identify what helps and what harms sleep quality, then gives personalised advice.
- Habit logging records daily activity automatically and lets you add exercise, sleep and diet entries by hand.
- All-day heart rate monitoring alerts you to abnormal readings.
- All-day blood oxygen monitoring, once switched on, measures every 10 minutes and vibrates when levels are low.
- All-day stress monitoring prompts you to relax when stress stays high.
- Menstrual cycle tracking records and predicts cycles.
Smart features
- Notifications from an iPhone and a Xiaomi phone can arrive on the same band, with compatible software on both.
- The band works as a remote camera shutter for an iPhone.
- Page-turning controls let you scroll short videos, e-books and presentations from the wrist.
- A large set of built-in watch faces can be customised.
Compatibility
- The band works with Android 8.0 or iOS 14.0 and later through the Mi Fitness app.
- Heart rate broadcast needs a receiving device that supports the BLE heart rate profile.
Further reading
- Xiaomi specifications index
- Xiaomi Smart Band 10 Pro specifications
- Xiaomi Smart Band 9 Pro specifications
- REDMI Watch 6 Lite specifications
- Sports watch specifications
Small things I always use
- Garmin 90-degree charging adapter: Charges your Garmin from any USB-C cable. Essential when travelling. I use one.
- Body Glide: The blue anti-chafe stick swimmers and runners carry. I use it.
- Speedo earplugs: Fewer ear infections and no cold-water dizziness. I use them.
- Dryrobe Advance: My winter changing robe for open-water swims. I use one. A cheaper option is the AONYIYI changing robe.
- Maurten: Race fuel that stays easy on the stomach. I use them.
- Beet It Sport nitrate shots: Beetroot shots I take in the days before a race. I use them.
- Garmin charging puck: The quickest way to top up before a session. I use one.
- Injinji: Toe socks that stop rubbing, so you run more. I use them.
- Ultimate toe protectors: Stop black toenails on long runs. They work. I use them.
- Compressport R2 v2 calf sleeves: My calf sleeves of choice. I use them.
- Cellucor C4: My pre-workout before hard sessions.
- TPU tubes: Schwalbe Aerothan, Tubolito and Pirelli SmarTube. Light, tiny spares. I use all three.
- G8 insoles: Adjustable insoles that are good. I use them.
- Cycplus Cube: A 97g electric pump that gets a road tyre rideable in two minutes. I carry one. 5% off with code THE5KRUNNER.
Watches and sensors
- Polar H10: My daily driver for waking HRV.
- Polar Verity Sense: My backup arm-worn HR sensor.
- Nomad bedside charger: Charges my iPhone and Apple Watch overnight. I use it, and many of their bands.
- Train.Red: The best muscle oxygen sensor I’ve used.
- Tymewear: Accurate heart rate and reliable ventilatory zones. I use it to pace endurance rides over an hour.
- Garmin Forerunner 970: A pro-grade triathlon watch. I use this.
- Apple Watch Ultra 4: My daily smartwatch. No phone needed on rides.
- Garmin Fenix 9 Pro: I’ve just bought one.
On the bike
- Continental GP5000 for everyday riding, and Aero 111 on the front for special occasions.
- Helmets: Specialized S-Works Evade 3 for road riding, and Rudy Project Wing for TT-style races. I use both.
- Ravemen FR300: A front light that mounts under your Garmin or Wahoo. I use one.
- Wahoo TRACKR Radar: I use it on one bike and Varia on the other. They perform the same.
- Garmin Varia RTL515: Radar that warns you of cars from behind. I use this model.
- Wahoo ELEMNT Roam 3: The bike computer that’s easy to use. I use mine on most rides.
- Favero Assioma Pro RS2: Accurate power pedals that swap easily between bikes. I use this model.
Home and indoor training
- NPE Runn: Makes my basic treadmill smart, sending more accurate speed and distance to my watch and Zwift. I use it.
- Google Wifi: Keeps Zwift connected in my pain cave. I use it.
- Apple TV 4K: Zwift on the big screen. I use two.
- Google Nest Doorbell (wired, 2nd gen): My video doorbell, running in both Google Home and Apple Home. I use it.
Health, recovery and sleep
- FreeStyle Libre 3 Plus: Shows how my blood sugar responds to diet.
- hDrop: Measures my sweat loss in summer and indoors.
- Fourth Frontier Zone: Checks my heart under load in hard sessions.
- Oura Ring 5: My partner’s recovery tracker of choice.
- Eight Sleep: A cooling mattress cover my partner and I use nightly.
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