Table 1 Comparison of features and functions of four wearable devices
Features | Specifications | Jawbone Up24 | Fitbit Flex | Withings Pulse | Misfit Shine |
|---|---|---|---|---|---|
Company Details | Company Name | Jawbone | Fitbit Inc. | Withings SA | Misfit Inc., Apple Inc. |
Country | San Francisco, California, USA | San Francisco, California, USA | Issy les Moulineaux, France | Burlingame, California, USA | |
Website | |||||
Product Released | Released (US) | 13-Nov-13 | 6-May-13 | 27-Jun-13 | 16-Sep-14 |
Announced (US) | 13-Nov-13 | 7-Jan-13 | 6-Jan-13 | 16-Sep-14 | |
Present Availability | Available | Available | Available | Available | |
Type | Smart watch | Watch style | Wearable/clip-on | Wearable/clip-on | Wearable/clip-on |
General | Price in Market | $150 | $100 | $100 | $95 |
Dimension (W × D × H) | 6.1 × 6.1 inch | small: 5.5 × 0.6 inch, large: 6.3 × 8.2 inch | 1.7 × 0.87 × 0.33 inch | 1.08 × 0.13 × 1.08 inch | |
Weight | small: 19 g | small: 16.4 g | 8 g | 9.4 g | |
– | large: 23 g | large: 18.9 g | – | – | |
Battery | Type | LiMnO2 225 mAh | Lithium polymer battery | Lithium-ion polymer | CR2032 coin cell |
Battery Life | 4–6 months | 4–6 Months | 6 Months | 3 Months | |
Rechargeable Battery | Yes | Yes | Yes | No | |
Changeable Battery | No | No | No | Yes | |
Usable Time per Charge (Advertised) | Up to 10 days | Up to 14 days | Up to 14 days | Up to 180 days | |
Full Charging Time | 3 hours | 4 hours | 2 hours | No | |
Tracking Metric (Functions) | Motion | Yes | Yes | Yes | Yes |
Step Counting | Yes | Yes | Yes | Yes | |
Distance | No | Yes | Yes | Yes | |
Calories | Yes | Yes | Yes | No | |
Sleep | Yes | Yes | Yes | Yes | |
Heart Rate | No | No | Yes | No | |
Fitness Analytics | Yes | Yes | Yes | Yes | |
Wind | No | No | No | No | |
3D Mapping | No | No | No | No | |
Speed | No | No | No | No | |
SpO2 | No | No | No | Yes | |
Goal Tracking | No | Yes | No | No | |
Resistance Function | Water Resistance | Limited | Yes | No | Yes (up to 30 m) |
Synchronization | Sync Type | Wireless (Bluetooth) | Wireless (Bluetooth) | Bluetooth | Wireless (Bluetooth) |
Connection | Sensor Network | Bluetooth | Bluetooth | Bluetooth | Bluetooth |
Screen and Display | Screen Type | Dual LED | 5 LEDs | OLED (backlit) | 12 LEDs and blink |
Touchscreen | Capacitive finger | Capacitive finger | Capacitive finger | Capacitive touch | |
Screen Size (Inch) | No (LED bar) | No (LED bar) | 1.69 | No (12 LEDs and blink) | |
Sensor Type | 3-Axis Accelerometer | Yes | Yes | Yes | Yes |
3-Gyro Sensor | No | No | No | No | |
Magnetometer | No | No | No | No | |
Pressure Sensor | No | No | No | No | |
GPS | No | No | No | No | |
Altimeter | No | No | No | No | |
Alarm Function | Yes | Yes | Yes | Yes | |
Data Sharing | – | Yes | Yes | Yes | Yes |
Material | Wearable Body Type | Rubber | Rubber | Rubber | Anodized aircraft-grade aluminum |
Smart-phone | Smartphone Operating System | iOS 5.1 or greater, Android 4.0 (Ice Cream Sandwich) or later | Windows XP/Vista/7/8 | Android 2.3.3 or above, iOS | Pair to iOS only |
Mac OS X 10.5 or above | |||||
iOS/Android | |||||
UI Interface | History Tracking (Days) | 270 days | 30 days | 10 days | 30 days |
Social Network Data Sharing | Computer Data Storage (Web App) | No | Yes | Yes | Yes |
Data Sharing | Only friends you already know | Yes | Yes | Yes | |