| Availability Status | Available, released to market | Available. Released May 2015 |
|---|---|---|
| Introduction Time | - | 2014, September |
| Size and Dimensions | 45 x 38 x 10 mm | 38.6 x 33.3 x 10.5 mm |
|---|---|---|
| Product Weight | - | 40g (body) |
| Compatible SIM Card Types | No | No |
|---|---|---|
| Other Body Features | IP67 certified for water and dust resistance (up to 1 meter for 30 minutes) / Silicone band | IPX7 certified / Water resistant up to 1 meter for 30 minutes / Stainless steel and ceramic |
| Display Technology | ||
|---|---|---|
| Screen Size | 1.9 inch | 1.5 inch (~55.1% screen-to-body ratio) |
| Display Resolution | - | |
| Multi-Touch Capability | - | Yes |
| Screen protector type | - | Sapphire protective glass |
| Display Technical Details | - | Display with 3D Touch / 450 nits display brightness |
| OS Version | Proprietary OS compatible with Android and iOS | watchOS 1.0, upgradable to 4.0 |
|---|---|---|
| Chip Model | - |
| Battery Type and Capacity | Non-replaceable Lithium-Ion Battery | Non-removable 205 mAh Li-Ion battery (0.78 Wh) |
|---|---|---|
| Battery Standby Time | Up to 18 hours (combined usage) |
| Smart Sensors | Optical heart rate sensor with SpO2 (blood oxygen level) calculation capability | Accelerometer, Gyroscope, Heart rate sensor |
|---|---|---|
| Messaging Method | Received notification alerts / Display text messages | SMS, Email, IM |
| Other Features and Capabilities | Supports various sport modes, heart rate monitoring, blood oxygen level measurement, inactivity reminder, watch face customization, pedometer, calorie consumption calculation, distance traveled calculation, phone and calendar notification display, date and time display | MP3 player / Photo viewer / Siri voice commands |
| Communication Technologies | No cellular connectivity | No cellular connectivity |
|---|
| Wireless Network Type | No | |
|---|---|---|
| Bluetooth Support | Yes | |
| GPS Support | No | No |
| NFC Support | No | Yes |
| USB Connections Type | No, charges via proprietary charging dock | No |
| Available Color Options | Black, Gold | |
|---|---|---|
| Global Price Range | - |
| CPU | - | |
|---|---|---|
| GPU Model | - |
| Internal Memory Capacity | - | 8GB, 512MB RAM |
|---|
| Alert Type | - | Vibrate; Ringtones |
|---|---|---|
| Speaker Type | - | Yes |
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