| Availability Status | Available, released to market | Available. Released December 2017 |
|---|---|---|
| Introduction Time | - |
| Compatible SIM Card Types | No | No |
|---|---|---|
| Other Body Features | IP67 certified for water and dust resistance (up to 1 meter for 30 minutes) | Withstands 5 ATM pressure / Made of stainless steel and ceramic / 22mm band / Silicone band |
| Display Technology | ||
|---|---|---|
| Screen Size | 2.2 inch | 1.34 inch |
| Display Resolution | - | 300 x 320 |
| Multi-Touch Capability | - | No |
| Screen protector type | - | 2.5D heat-treated glass |
| OS Version | Proprietary OS compatible with Android and iOS | Compatible with Android and iOS equipped phones |
|---|
| Alert Type | Vibrate | - |
|---|---|---|
| Speaker Type | Yes | - |
| Battery Type and Capacity | Non-removable 380 mAh battery | Non-removable 280 mAh Li-Po battery |
|---|---|---|
| Battery Standby Time | - |
| Smart Sensors | Optical heart rate sensor with SpO2 (blood oxygen level) calculation capability, Thermometer | Accelerometer, light sensor, geomagnetic sensor, gyroscope, heart rate sensor, barometric pressure sensor, VO2 Max |
|---|---|---|
| Messaging Method | Received notification alerts / Display text messages | Received notification announcement / Display received emails |
| Other Features and Capabilities | - | Step counting / Distance traveled calculation / Calories burned calculation / Suitable for various sport activities with "Xiaomi Sports" app / Wireless headphone connectivity for music playback without phone / Suitable for running |
| Communication Technologies | No cellular connectivity | - |
|---|
| Wireless Network Type | No | Yes |
|---|---|---|
| Bluetooth Support | Yes | |
| GPS Support | No | Yes |
| NFC Support | No | - |
| USB Connections Type | No, charges via proprietary charging dock | - |
| Available Color Options | Silver | Black |
|---|
| Size and Dimensions | - | Circular with a body diameter of 46 mm |
|---|---|---|
| Product Weight | - | 60 gram (g) |
| CPU | - |
|---|
| Internal Memory Capacity | - | 4GB, 512MB RAM |
|---|
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