| Availability Status | Available, released to market | Available. Released May 2015 |
|---|---|---|
| Introduction Time | - | 2014, September |
| Size and Dimensions | 49.45 x 47.2 x 12.95 mm | 38.6 x 33.3 x 10.5 mm |
|---|---|---|
| Product Weight | 64g (without strap) | 40g (body) |
| Compatible SIM Card Types | No | No |
|---|---|---|
| Other Body Features | Titanium body / Silicone band / Water resistant up to 20 ATM (200 meters deep) | IPX7 certified / Water resistant up to 1 meter for 30 minutes / Stainless steel and ceramic |
| Display Technology | ||
|---|---|---|
| Screen Size | 1.28 inch | 1.5 inch (~55.1% screen-to-body ratio) |
| Display Resolution | ||
| Screen protector type | Sapphire glass | Sapphire protective glass |
| Multi-Touch Capability | - | Yes |
| Display Technical Details | - | Display with 3D Touch / 450 nits display brightness |
| OS Version | Proprietary Zepp OS 2.0 compatible with Android 7.0 and later and iOS version 12.0 and later | watchOS 1.0, upgradable to 4.0 |
|---|---|---|
| Chip Model | - |
| Internal Memory Capacity | 8GB, 512MB RAM |
|---|
| Alert Type | Vibrate | Vibrate; Ringtones |
|---|---|---|
| Speaker Type | No | Yes |
| Battery Type and Capacity | Non-removable 500 mAh battery (fully charged in 2 hours) | Non-removable 205 mAh Li-Ion battery (0.78 Wh) |
|---|---|---|
| Battery Standby Time | Up to 30 days (battery saver mode) / Up to 14 days (normal use) / Up to 7 days (heavy use) / Up to 38 hours (GPS on) | Up to 18 hours (combined usage) |
| Smart Sensors | Optical heart rate sensor with SpO2 (blood oxygen level) calculation capability, Accelerometer, Gyroscope, Geomagnetic sensor, Altimeter, Ambient light sensor | Accelerometer, Gyroscope, Heart rate sensor |
|---|---|---|
| Messaging Method | Received notification announcement / Display text messages | SMS, Email, IM |
| Other Features and Capabilities | Supports 161 sport modes, heart rate monitoring, blood oxygen level measurement, sleep monitoring, stress monitoring, pedometer, phone and calendar notification display, date and time display, watch face customization, weather display, music control, interchangeable strap | MP3 player / Photo viewer / Siri voice commands |
| Communication Technologies | No cellular connectivity | No cellular connectivity |
|---|
| Wireless Network Type | ||
|---|---|---|
| Bluetooth Support | ||
| GPS Support | Yes | No |
| NFC Support | No | Yes |
| USB Connections Type | No, charges via proprietary charging dock | No |
| Available Color Options | Black | |
|---|---|---|
| Global Price Range | - |
| CPU | - | |
|---|---|---|
| GPU Model | - |
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