| Introduction Time | 2019, June | 2017, September |
|---|---|---|
| Availability Status | Available. Released June 2019 | Available. Released September 2017 |
| Size and Dimensions | Unspecified / Not specified | 42.5 x 36.4 x 11.4 mm |
|---|---|---|
| Product Weight | Regular Version: 22.1 g / NFC Version: 22.2 g | 52.8 gram (g) |
| Other Body Features | Water resistant up to 50 meters deep | Waterproof up to 50 meters / Ceramic back, stainless steel frame |
|---|---|---|
| Compatible SIM Card Types | - | Electronic SIM card (Apple eSIM) |
| Display Technology | AMOLED / Color / Touchscreen | |
|---|---|---|
| Screen Size | 0.95 inch | 1.65 inch (~55.4% screen-to-body ratio) |
| Display Resolution | ||
| Multi-Touch Capability | No | Yes |
| Screen protector type | Scratch-resistant glass | Sapphire protective glass |
| Display Technical Details | 2.5D / 400 nits brightness / 24-bit color depth | Display with 3D Touch / 1000 nits display brightness |
| OS Version | Compatible with Android 4.4 and iOS 9 and later | |
|---|---|---|
| Chip Model | - |
| Internal Memory Capacity | 16MB, 512KB RAM | 16GB, 768MB RAM |
|---|
| Battery Type and Capacity | Non-removable 135 mAh Li-Po battery (standard version) / Non-removable 125 mAh Li-Po battery (NFC version) | Non-removable 341 mAh Li-Ion battery (1.34 Wh) |
|---|---|---|
| Battery Standby Time | - |
| Smart Sensors | 3-axis accelerometer, optical heart rate sensor, pedometer, 3-axis altimeter, watch wear detection sensor | Accelerometer, Gyroscope, Heart rate sensor, Barometer |
|---|---|---|
| Messaging Method | Received notification announcement / Display received messages and emails | SMS, Email, IM |
| Other Features and Capabilities | Pedometer / Distance traveled measurement / Heart rate measurement / Calories burned calculation / Display turn-on by lifting hand / Sleep monitoring / Sedentary reminder / Xiao AI voice assistant (NFC China version only) / Microphone (NFC China version only) | MP3 player / Photo viewer / Siri voice commands (talking mode) / Supports wireless charging |
| Bluetooth Support | ||
|---|---|---|
| GPS Support | No | Yes, with A-GPS, GLONASS |
| NFC Support | NFC version only | Yes |
| Wireless Network Type | - | |
| USB Connections Type | - | No |
| Available Color Options | Black, Brown, Blue, Orange, Pink | Black, Silver |
|---|---|---|
| Global Price Range | 25 dollar ($) \$ |
| CPU | - | Dual-core |
|---|---|---|
| GPU Model | - |
| Alert Type | - | Vibrate; Ringtones |
|---|---|---|
| Speaker Type | - | Yes |
| Communication Technologies | - |
|---|
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